Q. Which of the following compounds is commonly used as a food preservative?
-
A.
Sodium chloride
-
B.
Sodium benzoate
-
C.
Calcium carbonate
-
D.
Potassium nitrate
Solution
Sodium benzoate is widely used as a food preservative to inhibit the growth of bacteria and fungi.
Correct Answer: B — Sodium benzoate
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Q. Which of the following compounds is commonly used as a preservative in food?
-
A.
Sodium chloride
-
B.
Sodium benzoate
-
C.
Potassium nitrate
-
D.
Calcium carbonate
Solution
Sodium benzoate is widely used as a food preservative to prevent spoilage.
Correct Answer: B — Sodium benzoate
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Q. Which of the following compounds is commonly used as a sweetener?
-
A.
Aspartame
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B.
Sodium bicarbonate
-
C.
Citric acid
-
D.
Sodium chloride
Solution
Aspartame is a widely used artificial sweetener found in many low-calorie foods and beverages.
Correct Answer: A — Aspartame
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Q. Which of the following compounds is used as a flavoring agent in food?
-
A.
Vanillin
-
B.
Acetic acid
-
C.
Sodium chloride
-
D.
Citric acid
Solution
Vanillin is the primary component of the extract of the vanilla bean and is used as a flavoring agent.
Correct Answer: A — Vanillin
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Q. Which of the following compounds is used as a food colorant?
-
A.
Carotenoids
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B.
Sodium chloride
-
C.
Vinegar
-
D.
Citric acid
Solution
Carotenoids are natural pigments used as food colorants.
Correct Answer: A — Carotenoids
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Q. Which of the following compounds is used as a sweetener?
-
A.
Aspartame
-
B.
Sodium chloride
-
C.
Vinegar
-
D.
Citric acid
Solution
Aspartame is a widely used artificial sweetener in many food products.
Correct Answer: A — Aspartame
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Q. Which of the following compounds is used in the treatment of heartburn?
-
A.
Sodium bicarbonate
-
B.
Calcium carbonate
-
C.
Magnesium hydroxide
-
D.
All of the above
Solution
All of the listed compounds are antacids used to treat heartburn.
Correct Answer: D — All of the above
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Q. Which of the following is a characteristic of synthetic fibers?
-
A.
Biodegradable
-
B.
Natural origin
-
C.
Durable
-
D.
Expensive
Solution
Synthetic fibers are known for their durability and are made from chemical processes, unlike natural fibers.
Correct Answer: C — Durable
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Q. Which of the following is a common antiseptic used in households?
-
A.
Ethanol
-
B.
Acetic acid
-
C.
Sodium chloride
-
D.
Sodium bicarbonate
Solution
Ethanol is widely used as an antiseptic in households for disinfecting purposes.
Correct Answer: A — Ethanol
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Q. Which of the following is a common application of baking soda in cooking?
-
A.
Thickening agent
-
B.
Leavening agent
-
C.
Flavor enhancer
-
D.
Preservative
Solution
Baking soda acts as a leavening agent, helping baked goods rise by producing carbon dioxide.
Correct Answer: B — Leavening agent
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Q. Which of the following is a common household disinfectant?
-
A.
Bleach
-
B.
Vinegar
-
C.
Baking soda
-
D.
Salt
Solution
Bleach is widely used as a disinfectant to kill bacteria and viruses.
Correct Answer: A — Bleach
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Q. Which of the following is a common preservative used in food?
-
A.
Sodium chloride
-
B.
Sodium benzoate
-
C.
Sucrose
-
D.
Vinegar
Solution
Sodium benzoate is commonly used as a preservative to inhibit the growth of bacteria and fungi.
Correct Answer: B — Sodium benzoate
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Q. Which of the following is a common use of aspirin in everyday life?
-
A.
Pain relief
-
B.
Antibiotic
-
C.
Antidepressant
-
D.
Antihistamine
Solution
Aspirin is widely used for pain relief due to its analgesic properties.
Correct Answer: A — Pain relief
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Q. Which of the following is a common use of aspirin?
-
A.
Pain relief
-
B.
Antibiotic
-
C.
Antidepressant
-
D.
Antihistamine
Solution
Aspirin is commonly used for pain relief and to reduce inflammation.
Correct Answer: A — Pain relief
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Q. Which of the following is a common use of chlorine in everyday life?
-
A.
Disinfecting water
-
B.
Flavoring food
-
C.
Coloring hair
-
D.
Preserving meat
Solution
Chlorine is commonly used to disinfect drinking water, making it safe for consumption.
Correct Answer: A — Disinfecting water
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Q. Which of the following is a common use of ethanol in everyday life?
-
A.
Fuel
-
B.
Antiseptic
-
C.
Solvent
-
D.
All of the above
Solution
Ethanol is used as a fuel, antiseptic, and solvent, making it versatile in everyday applications.
Correct Answer: D — All of the above
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Q. Which of the following is a common use of ethanol?
-
A.
Fuel
-
B.
Antiseptic
-
C.
Solvent
-
D.
All of the above
Solution
Ethanol is widely used as a fuel, antiseptic, and solvent, making it versatile in everyday applications.
Correct Answer: D — All of the above
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Q. Which of the following is a common use of hydrogen peroxide in households?
-
A.
Disinfectant
-
B.
Bleach
-
C.
Antiseptic
-
D.
All of the above
Solution
Hydrogen peroxide is used as a disinfectant, bleach, and antiseptic in various household applications.
Correct Answer: D — All of the above
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Q. Which of the following is a common use of hydrogen peroxide?
-
A.
Disinfectant
-
B.
Bleach
-
C.
Antiseptic
-
D.
All of the above
Solution
Hydrogen peroxide is used as a disinfectant, bleach, and antiseptic.
Correct Answer: D — All of the above
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Q. Which of the following is a common use of sodium bicarbonate in everyday life?
-
A.
Baking
-
B.
Cleaning
-
C.
Pest control
-
D.
All of the above
Solution
Sodium bicarbonate, or baking soda, is used in baking, cleaning, and even pest control.
Correct Answer: D — All of the above
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Q. Which of the following is a common use of vinegar in households?
-
A.
Cleaning agent
-
B.
Food preservative
-
C.
Flavoring agent
-
D.
All of the above
Solution
Vinegar is used in households for cleaning, preserving food, and as a flavoring agent.
Correct Answer: D — All of the above
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Q. Which of the following is a common use of vinegar?
-
A.
Preservative
-
B.
Cleaning agent
-
C.
Flavoring agent
-
D.
All of the above
Solution
Vinegar is used as a preservative, cleaning agent, and flavoring agent.
Correct Answer: D — All of the above
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Q. Which of the following is a natural source of caffeine?
-
A.
Tea leaves
-
B.
Sugar cane
-
C.
Corn
-
D.
Rice
Solution
Tea leaves are a natural source of caffeine, commonly consumed in beverages.
Correct Answer: A — Tea leaves
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Q. Which of the following is a natural sweetener derived from plants?
-
A.
Aspartame
-
B.
Stevia
-
C.
Saccharin
-
D.
Sucralose
Solution
Stevia is a natural sweetener extracted from the leaves of the Stevia rebaudiana plant.
Correct Answer: B — Stevia
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Q. Which of the following is a natural sweetener?
-
A.
Aspartame
-
B.
Sucralose
-
C.
Stevia
-
D.
Saccharin
Solution
Stevia is a natural sweetener derived from the leaves of the Stevia plant.
Correct Answer: C — Stevia
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Q. Which of the following is a side effect of excessive caffeine consumption?
-
A.
Drowsiness
-
B.
Increased alertness
-
C.
Insomnia
-
D.
Weight gain
Solution
Excessive caffeine can lead to insomnia and disrupt sleep patterns.
Correct Answer: C — Insomnia
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Q. Which of the following is an example of a synthetic detergent?
-
A.
Soap
-
B.
Sodium lauryl sulfate
-
C.
Glycerin
-
D.
Sodium bicarbonate
Solution
Sodium lauryl sulfate is a synthetic detergent commonly used in personal care products.
Correct Answer: B — Sodium lauryl sulfate
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Q. Which of the following is an example of an antibiotic?
-
A.
Aspirin
-
B.
Penicillin
-
C.
Ibuprofen
-
D.
Paracetamol
Solution
Penicillin is a well-known antibiotic used to treat bacterial infections.
Correct Answer: B — Penicillin
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Q. Which vitamin is commonly known as ascorbic acid?
-
A.
Vitamin A
-
B.
Vitamin B12
-
C.
Vitamin C
-
D.
Vitamin D
Solution
Ascorbic acid is the chemical name for Vitamin C, which is important for immune function.
Correct Answer: C — Vitamin C
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Q. Which vitamin is primarily obtained from sunlight?
-
A.
Vitamin A
-
B.
Vitamin B12
-
C.
Vitamin C
-
D.
Vitamin D
Solution
Vitamin D is synthesized in the skin upon exposure to sunlight.
Correct Answer: D — Vitamin D
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