Q. Which of the following is a common property of halogens? (2023)
A.
They are all gases at room temperature
B.
They have low electronegativity
C.
They form diatomic molecules
D.
They are metals
Show solution
Solution
Halogens commonly exist as diatomic molecules (e.g., Cl2, F2).
Correct Answer:
C
— They form diatomic molecules
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Q. Which of the following is a common side effect of antibiotics? (2019)
A.
Nausea
B.
Headache
C.
Diarrhea
D.
All of the above
Show solution
Solution
Antibiotics can cause a range of side effects, including nausea, headache, and diarrhea.
Correct Answer:
D
— All of the above
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Q. Which of the following is a common source of dietary fiber? (2020)
A.
Meat
B.
Dairy
C.
Fruits
D.
Oils
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Solution
Fruits are a common source of dietary fiber, which is important for digestive health.
Correct Answer:
C
— Fruits
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Q. Which of the following is a common source of omega-3 fatty acids? (2022)
A.
Olive oil
B.
Fish oil
C.
Butter
D.
Coconut oil
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Solution
Fish oil is a rich source of omega-3 fatty acids, which are important for heart health and brain function.
Correct Answer:
B
— Fish oil
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Q. Which of the following is a common use of caffeine? (2020)
A.
Pain reliever
B.
Stimulant
C.
Antiseptic
D.
Antibiotic
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Solution
Caffeine is primarily used as a stimulant to increase alertness and reduce fatigue.
Correct Answer:
B
— Stimulant
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Q. Which of the following is a common use of citric acid? (2022)
A.
Flavoring agent
B.
Preservative
C.
Cleaning agent
D.
All of the above
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Solution
Citric acid is widely used as a flavoring agent, preservative, and cleaning agent, showcasing its multifunctional properties.
Correct Answer:
D
— All of the above
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Q. Which of the following is a common use of glycerol in food? (2021)
A.
Sweetener
B.
Preservative
C.
Thickening agent
D.
All of the above
Show solution
Solution
Glycerol is used in food as a sweetener, preservative, and thickening agent, making it versatile in food applications.
Correct Answer:
D
— All of the above
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Q. Which of the following is a common use of glycerol? (2023)
A.
Preservative
B.
Moisturizer
C.
Sweetener
D.
All of the above
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Solution
Glycerol is used as a preservative, moisturizer, and sweetener in various products.
Correct Answer:
D
— All of the above
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Q. Which of the following is a common use of phenol? (2022)
A.
Disinfectant
B.
Food preservative
C.
Flavoring agent
D.
Coloring agent
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Solution
Phenol is widely used as a disinfectant due to its antimicrobial properties.
Correct Answer:
A
— Disinfectant
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Q. Which of the following is a common use of sodium bicarbonate? (2023)
A.
Baking
B.
Cleaning
C.
Antacid
D.
All of the above
Show solution
Solution
Sodium bicarbonate is used in baking as a leavening agent, in cleaning products, and as an antacid for relieving heartburn.
Correct Answer:
D
— All of the above
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Q. Which of the following is a common use of sulfur? (2022)
A.
Fertilizers
B.
Explosives
C.
Rubber production
D.
All of the above
Show solution
Solution
Sulfur is used in fertilizers, explosives, and rubber production.
Correct Answer:
D
— All of the above
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Q. Which of the following is a cyclic hydrocarbon? (2019)
A.
Cyclohexane
B.
Hexane
C.
Octane
D.
Decane
Show solution
Solution
Cyclohexane is a cyclic hydrocarbon with a ring structure.
Correct Answer:
A
— Cyclohexane
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Q. Which of the following is a method for the preparation of alcohols? (2022)
A.
Hydrolysis of alkyl halides
B.
Oxidation of alkenes
C.
Reduction of ketones
D.
All of the above
Show solution
Solution
All of the mentioned methods can be used to prepare alcohols.
Correct Answer:
D
— All of the above
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Q. Which of the following is a method for the preparation of aldehydes? (2019)
A.
Hydration of alkynes
B.
Oxidation of primary alcohols
C.
Reduction of carboxylic acids
D.
Dehydrogenation of alcohols
Show solution
Solution
Aldehydes can be prepared by the oxidation of primary alcohols.
Correct Answer:
B
— Oxidation of primary alcohols
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Q. Which of the following is a method of hydrogen production? (2023)
A.
Electrolysis of water
B.
Steam reforming of natural gas
C.
Thermochemical water splitting
D.
All of the above
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Solution
Hydrogen can be produced through various methods including electrolysis of water, steam reforming of natural gas, and thermochemical water splitting.
Correct Answer:
D
— All of the above
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Q. Which of the following is a method to reduce carbon footprint? (2020)
A.
Using fossil fuels
B.
Increasing energy efficiency
C.
Deforestation
D.
Burning waste
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Solution
Increasing energy efficiency helps to reduce carbon emissions and thus lowers the carbon footprint.
Correct Answer:
B
— Increasing energy efficiency
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Q. Which of the following is a natural source of omega-3 fatty acids? (2023)
A.
Flaxseed oil
B.
Coconut oil
C.
Palm oil
D.
Corn oil
Show solution
Solution
Flaxseed oil is a rich natural source of omega-3 fatty acids, beneficial for heart health.
Correct Answer:
A
— Flaxseed oil
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Q. Which of the following is a property of actinides? (2020)
A.
All are radioactive
B.
All are non-metals
C.
All are stable
D.
All are found in nature
Show solution
Solution
All actinides are radioactive, with many being synthetic and unstable.
Correct Answer:
A
— All are radioactive
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Q. Which of the following is a property of addition polymers? (2022)
A.
They are formed by the elimination of small molecules
B.
They have a high degree of crystallinity
C.
They are formed from unsaturated monomers
D.
They are always biodegradable
Show solution
Solution
Addition polymers are formed from unsaturated monomers through addition reactions.
Correct Answer:
C
— They are formed from unsaturated monomers
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Q. Which of the following is a property of aldehydes? (2023)
A.
They are generally more reactive than ketones
B.
They do not undergo oxidation
C.
They are less soluble in water than ketones
D.
They have higher boiling points than alcohols
Show solution
Solution
Aldehydes are generally more reactive than ketones due to the presence of the hydrogen atom attached to the carbonyl carbon.
Correct Answer:
A
— They are generally more reactive than ketones
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Q. Which of the following is a property of amorphous solids? (2023)
A.
Anisotropic
B.
Isotropic
C.
Definite melting point
D.
Ordered structure
Show solution
Solution
Amorphous solids are isotropic, meaning their properties are the same in all directions, unlike crystalline solids.
Correct Answer:
B
— Isotropic
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Q. Which of the following is a property of covalent network solids? (2023)
A.
Good electrical conductors
B.
High melting points
C.
Malleable
D.
Soluble in water
Show solution
Solution
Covalent network solids, such as diamond, have very high melting points due to the strong covalent bonds throughout the structure.
Correct Answer:
B
— High melting points
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Q. Which of the following is a property of ethers? (2020)
A.
High boiling point
B.
Soluble in water
C.
Flammable
D.
Non-polar
Show solution
Solution
Ethers are generally flammable due to their hydrocarbon nature, although they have moderate boiling points.
Correct Answer:
C
— Flammable
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Q. Which of the following is a property of ketones? (2020)
A.
More reactive than aldehydes
B.
Less polar than aldehydes
C.
Higher boiling points than aldehydes
D.
None of the above
Show solution
Solution
Ketones are generally less polar than aldehydes due to the absence of a hydrogen atom attached to the carbonyl carbon.
Correct Answer:
B
— Less polar than aldehydes
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Q. Which of the following is a synthetic dye used in food? (2023)
A.
Curcumin
B.
Tartrazine
C.
Beetroot red
D.
Carotene
Show solution
Solution
Tartrazine is a synthetic yellow dye commonly used in food products.
Correct Answer:
B
— Tartrazine
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Q. Which of the following is a synthetic food colorant? (2021)
A.
Beetroot red
B.
Caramel
C.
Tartrazine
D.
Paprika
Show solution
Solution
Tartrazine is a synthetic yellow food colorant commonly used in various food products.
Correct Answer:
C
— Tartrazine
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Q. Which of the following is a synthetic polymer used in everyday products? (2020)
A.
Cellulose
B.
Polystyrene
C.
Starch
D.
Chitin
Show solution
Solution
Polystyrene is a synthetic polymer commonly used in packaging and insulation materials.
Correct Answer:
B
— Polystyrene
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Q. Which of the following is a synthetic sweetener? (2023)
A.
Fructose
B.
Xylitol
C.
Aspartame
D.
Honey
Show solution
Solution
Aspartame is a synthetic sweetener used in many low-calorie and sugar-free products.
Correct Answer:
C
— Aspartame
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Q. Which of the following is a tertiary alcohol? (2021)
A.
2-propanol
B.
1-butanol
C.
Cyclopentanol
D.
1-pentanol
Show solution
Solution
2-propanol (isopropanol) is a tertiary alcohol as the hydroxyl group is attached to a carbon that is connected to three other carbons.
Correct Answer:
A
— 2-propanol
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Q. Which of the following is a tertiary amine? (2022)
A.
CH3NH2
B.
C2H5NH2
C.
N(CH3)3
D.
C6H5NH2
Show solution
Solution
N(CH3)3 (trimethylamine) is a tertiary amine as it has three alkyl groups attached to the nitrogen.
Correct Answer:
C
— N(CH3)3
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Showing 481 to 510 of 626 (21 Pages)
Chemistry (NEET) MCQ & Objective Questions
Chemistry is a crucial subject for students preparing for NEET and other competitive exams in India. Mastering Chemistry (NEET) is essential not only for scoring well but also for building a strong foundation in scientific concepts. Practicing MCQs and objective questions can significantly enhance your exam preparation, allowing you to tackle important questions with confidence.
What You Will Practise Here
Fundamental concepts of Physical Chemistry
Organic Chemistry reactions and mechanisms
Inorganic Chemistry periodic table trends
Stoichiometry and chemical calculations
Equilibrium and thermodynamics principles
Important definitions and key formulas
Diagrams related to chemical structures and reactions
Exam Relevance
Chemistry is a significant part of the syllabus for CBSE, State Boards, NEET, and JEE. In these exams, questions often focus on conceptual understanding and application of theories. You can expect a mix of direct questions, application-based problems, and conceptual MCQs that test your knowledge of key topics. Familiarity with common question patterns will help you navigate the exam more effectively.
Common Mistakes Students Make
Overlooking the importance of units in calculations
Confusing similar concepts in Organic Chemistry
Neglecting to balance chemical equations correctly
Misinterpreting questions that involve multiple steps
Failing to memorize essential definitions and formulas
FAQs
Question: What are the best ways to prepare for Chemistry (NEET) MCQs?Answer: Regular practice of MCQs, understanding core concepts, and revising key formulas are effective strategies.
Question: How can I improve my speed in solving Chemistry (NEET) objective questions?Answer: Time yourself while practicing and focus on familiarizing yourself with common question types.
Start solving practice MCQs today to test your understanding and boost your confidence in Chemistry (NEET). Remember, consistent practice is the key to success!