Q. Which of the following can be inferred about the author's perspective on wealth distribution? (2023)
A.
Wealth should be evenly distributed among all citizens.
B.
Wealth concentration is beneficial for innovation.
C.
Wealth distribution should be based on merit.
D.
Wealth inequality leads to social unrest.
Show solution
Solution
The passage suggests that wealth inequality can lead to social tensions and unrest.
Correct Answer:
D
— Wealth inequality leads to social unrest.
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Q. Which of the following can be inferred about the author's stance on renewable energy? (2023)
A.
Renewable energy is not a viable option.
B.
The author supports a transition to renewable energy.
C.
Renewable energy sources are too expensive.
D.
The author is neutral on the topic.
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Solution
The passage advocates for the transition to renewable energy as a solution to environmental issues, indicating the author's support.
Correct Answer:
B
— The author supports a transition to renewable energy.
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Q. Which of the following can be inferred about the author's view on collaboration in the workplace?
A.
Collaboration is less effective than individual work.
B.
Collaboration is essential for innovation.
C.
Collaboration leads to confusion and inefficiency.
D.
Collaboration should be avoided in favor of competition.
Show solution
Solution
The passage highlights the benefits of teamwork in fostering creativity and innovation, indicating the author's support for collaboration.
Correct Answer:
B
— Collaboration is essential for innovation.
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Q. Which of the following can be inferred about the author's view on cultural diversity?
A.
Cultural diversity is a source of conflict.
B.
Cultural diversity enriches societies.
C.
Cultural diversity should be minimized.
D.
Cultural diversity is irrelevant in modern society.
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Solution
The passage highlights the benefits of cultural diversity, suggesting that the author views it as enriching to societies.
Correct Answer:
B
— Cultural diversity enriches societies.
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Q. Which of the following can be inferred about the author's view on environmental issues?
A.
The author believes technology can solve environmental problems.
B.
The author thinks environmental issues are exaggerated.
C.
The author is indifferent to environmental concerns.
D.
The author believes technology worsens environmental issues.
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Solution
The passage suggests that the author sees technology as a potential solution to environmental problems, indicating a positive view.
Correct Answer:
A
— The author believes technology can solve environmental problems.
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Q. Which of the following can be inferred about the author's view on globalization?
A.
Globalization is entirely beneficial.
B.
Globalization has both positive and negative effects.
C.
Globalization should be resisted.
D.
Globalization is a recent phenomenon.
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Solution
The passage discusses both the advantages and disadvantages of globalization, indicating that the author sees it as having both positive and negative effects.
Correct Answer:
B
— Globalization has both positive and negative effects.
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Q. Which of the following can be inferred about the author's view on social media?
A.
Social media has no impact on communication.
B.
Social media is a double-edged sword.
C.
Social media is entirely beneficial.
D.
Social media should be avoided.
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Solution
The author discusses both the positive and negative aspects of social media, indicating a nuanced view that recognizes its dual nature.
Correct Answer:
B
— Social media is a double-edged sword.
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Q. Which of the following can be inferred about the future of renewable energy from the passage?
A.
It will completely replace fossil fuels in the near future.
B.
It will continue to grow but face significant challenges.
C.
It will become less popular due to economic factors.
D.
It will only be adopted by developed countries.
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Solution
The passage suggests that while renewable energy will grow, it will face challenges, making option 1 the correct inference.
Correct Answer:
B
— It will continue to grow but face significant challenges.
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Q. Which of the following can be inferred about the impact of social media on public opinion?
A.
Social media has no effect on public opinion.
B.
Social media amplifies diverse viewpoints.
C.
Social media only spreads misinformation.
D.
Social media is a tool for political manipulation.
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Solution
The passage discusses how social media platforms allow for a variety of voices to be heard, thus amplifying diverse viewpoints in public discourse.
Correct Answer:
B
— Social media amplifies diverse viewpoints.
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Q. Which of the following can be inferred about the impact of socio-economic status on education? (2023)
A.
It has no impact on educational outcomes.
B.
It significantly affects access to resources.
C.
It only affects students in urban areas.
D.
It is less important than teacher quality.
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Solution
The passage discusses how socio-economic status can limit access to educational resources, indicating its significant impact.
Correct Answer:
B
— It significantly affects access to resources.
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Q. Which of the following can be inferred about the relationship between economic policies and social inequalities from the passage? (2023)
A.
Economic policies have no impact on social inequalities.
B.
Economic policies can exacerbate social inequalities if not designed inclusively.
C.
All economic policies inherently reduce social inequalities.
D.
Social inequalities are independent of economic policies.
Show solution
Solution
The passage suggests that economic policies must be inclusive to prevent the widening of social inequalities.
Correct Answer:
B
— Economic policies can exacerbate social inequalities if not designed inclusively.
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Q. Which of the following can be inferred about the relationship between education and social inequality from the passage? (2023)
A.
Education exacerbates social inequality.
B.
Higher education levels correlate with reduced social inequality.
C.
Education has no effect on social inequality.
D.
Social inequality is solely determined by educational attainment.
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Solution
The passage suggests that increased access to education can lead to a decrease in social inequality, highlighting its importance.
Correct Answer:
B
— Higher education levels correlate with reduced social inequality.
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Q. Which of the following can be logically deduced from the statement: 'If it rains, the ground gets wet'?
A.
If the ground is wet, it has rained.
B.
If it does not rain, the ground is dry.
C.
If the ground is not wet, it has not rained.
D.
If it rains, the ground may not get wet.
Show solution
Solution
The statement implies that if the ground is not wet, it cannot have rained.
Correct Answer:
C
— If the ground is not wet, it has not rained.
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Q. Which of the following can be the lengths of the sides of a triangle?
A.
2, 3, 5
B.
4, 4, 8
C.
5, 5, 10
D.
6, 8, 10
Show solution
Solution
The triangle inequality theorem states that the sum of the lengths of any two sides must be greater than the length of the third side. Only 6, 8, and 10 satisfy this condition.
Correct Answer:
D
— 6, 8, 10
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Q. Which of the following carbohydrates is a disaccharide?
A.
Maltose
B.
Ribose
C.
Cellulose
D.
Glycogen
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Solution
Maltose is a disaccharide formed from two glucose units.
Correct Answer:
A
— Maltose
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Q. Which of the following carbohydrates is a ketose?
A.
Glucose
B.
Fructose
C.
Galactose
D.
Mannose
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Solution
Fructose is a ketose sugar, while glucose and galactose are aldoses.
Correct Answer:
B
— Fructose
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Q. Which of the following carbohydrates is a reducing sugar?
A.
Fructose
B.
Sucrose
C.
Maltose
D.
Cellulose
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Solution
Maltose is a reducing sugar because it has a free aldehyde or ketone group, while sucrose does not.
Correct Answer:
C
— Maltose
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Q. Which of the following carbohydrates is not digestible by humans?
A.
Starch
B.
Glycogen
C.
Cellulose
D.
Maltose
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Solution
Cellulose is not digestible by humans due to the lack of enzymes to break it down.
Correct Answer:
C
— Cellulose
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Q. Which of the following carboxylic acids has a pungent odor? (2022)
A.
Acetic acid
B.
Butanoic acid
C.
Formic acid
D.
Propanoic acid
Show solution
Solution
Butanoic acid has a pungent odor, often described as rancid butter.
Correct Answer:
B
— Butanoic acid
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Q. Which of the following carboxylic acids has the highest boiling point? (2020)
A.
Formic acid
B.
Acetic acid
C.
Propanoic acid
D.
Butanoic acid
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Solution
Butanoic acid has the highest boiling point due to its longer carbon chain and greater molecular weight.
Correct Answer:
D
— Butanoic acid
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Q. Which of the following carboxylic acids is a dicarboxylic acid?
A.
Acetic acid
B.
Oxalic acid
C.
Formic acid
D.
Butanoic acid
Show solution
Solution
Oxalic acid is a dicarboxylic acid as it contains two carboxyl groups (-COOH).
Correct Answer:
B
— Oxalic acid
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Q. Which of the following carboxylic acids is a solid at room temperature?
A.
Acetic acid
B.
Formic acid
C.
Stearic acid
D.
Propanoic acid
Show solution
Solution
Stearic acid is a long-chain fatty acid and is solid at room temperature.
Correct Answer:
C
— Stearic acid
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Q. Which of the following changes will increase the yield of products in an endothermic reaction at equilibrium? (2023)
A.
Increase temperature
B.
Decrease pressure
C.
Increase concentration of products
D.
Add a catalyst
Show solution
Solution
Increasing the temperature for an endothermic reaction shifts the equilibrium to the right, favoring the formation of products.
Correct Answer:
A
— Increase temperature
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Q. Which of the following changes will increase the yield of products in an exothermic reaction at equilibrium?
A.
Increase the temperature
B.
Decrease the pressure
C.
Increase the concentration of reactants
D.
Add a catalyst
Show solution
Solution
Increasing the concentration of reactants will shift the equilibrium position to the right, favoring the formation of products.
Correct Answer:
C
— Increase the concentration of reactants
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Q. Which of the following changes will NOT affect the position of equilibrium for the reaction: 2SO2(g) + O2(g) ⇌ 2SO3(g)?
A.
Increasing the concentration of SO2
B.
Decreasing the temperature
C.
Adding a catalyst
D.
Increasing the volume of the container
Show solution
Solution
A catalyst speeds up the rate of both the forward and reverse reactions equally, thus it does not affect the position of equilibrium.
Correct Answer:
C
— Adding a catalyst
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Q. Which of the following changes will NOT affect the position of equilibrium in a closed system?
A.
Adding a catalyst
B.
Changing the concentration of reactants
C.
Changing the pressure
D.
Changing the temperature
Show solution
Solution
A catalyst speeds up the rate of both the forward and reverse reactions equally, thus it does not change the position of equilibrium.
Correct Answer:
A
— Adding a catalyst
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Q. Which of the following changes will NOT affect the position of equilibrium in a chemical reaction?
A.
Changing the concentration of reactants
B.
Changing the temperature
C.
Adding a catalyst
D.
Changing the pressure
Show solution
Solution
Adding a catalyst speeds up the rate of both the forward and reverse reactions equally, thus it does not affect the position of equilibrium.
Correct Answer:
C
— Adding a catalyst
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Q. Which of the following changes will not affect the position of equilibrium in the reaction N2(g) + 3H2(g) ⇌ 2NH3(g)? (2021)
A.
Increasing the temperature
B.
Increasing the pressure
C.
Adding a catalyst
D.
Removing NH3
Show solution
Solution
A catalyst speeds up the rate of both the forward and reverse reactions equally, thus it does not affect the position of equilibrium. Other changes like temperature, pressure, and concentration of reactants/products do affect the equilibrium.
Correct Answer:
C
— Adding a catalyst
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Q. Which of the following changes will NOT affect the position of equilibrium?
A.
Adding a catalyst
B.
Changing the concentration of reactants
C.
Changing the temperature
D.
Changing the pressure
Show solution
Solution
A catalyst speeds up the rate of reaching equilibrium but does not change the position of equilibrium or the equilibrium constant.
Correct Answer:
A
— Adding a catalyst
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Q. Which of the following changes will shift the equilibrium to the right for the reaction: N2(g) + 3H2(g) ⇌ 2NH3(g)?
A.
Increase in pressure
B.
Decrease in temperature
C.
Increase in volume
D.
Addition of NH3
Show solution
Solution
Increasing pressure shifts the equilibrium to the side with fewer moles of gas, which is the right side in this case.
Correct Answer:
A
— Increase in pressure
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