a) Ascorbic acid
b) Acetic acid
c) Glucose
d) Citric acid
Answer: a) Ascorbic acid
Explanation: Ascorbic acid (Vitamin C) is an antioxidant that
helps prevent the oxidation of other molecules in the body.
a) Sodium chloride
b) Sodium benzoate
c) Sodium bicarbonate
d) Glucose
Answer: b) Sodium benzoate
Explanation: Sodium benzoate is commonly used as a preservative
in food products to prevent the growth of bacteria, yeast, and fungi.
a) Acetylsalicylic acid
b) Salicylic acid
c) Paracetamol
d) Acetaminophen
Answer: a) Acetylsalicylic acid
Explanation: Aspirin contains acetylsalicylic acid, which acts
as an anti-inflammatory, pain reliever, and fever reducer.
a) Remove dirt by suspending it in water
b) React with water to form a precipitate
c) Decompose organic matter
d) Neutralize acids
Answer: a) Remove dirt by suspending it in water
Explanation: Detergents help in cleaning by reducing the
surface tension of water and emulsifying dirt and oil so that it can be washed
away.
a) Penicillin
b) Acetylene
c) Ethanol
d) Sodium chloride
Answer: a) Penicillin
Explanation: Penicillin is a widely used antibiotic that is
effective in treating bacterial infections.
a) Sodium chloride
b) Fatty acid salts
c) Sodium bicarbonate
d) Glucose
Answer: b) Fatty acid salts
Explanation: Soaps are primarily made of sodium or potassium
salts of fatty acids, which help in cleaning by emulsifying oils and dirt.
a) Vitamin A
b) Vitamin B12
c) Vitamin C
d) Vitamin D
Answer: d) Vitamin D
Explanation: Vitamin D is known as the 'sunshine vitamin'
because it is produced in the skin when exposed to sunlight.
a) Saccharin
b) Glucose
c) Maltose
d) Sucrose
Answer: a) Saccharin
Explanation: Saccharin is a non-nutritive sweetener that is
used as a sugar substitute in many food products.
a) Sodium bicarbonate
b) Potassium chloride
c) Magnesium sulfate
d) Sodium chloride
Answer: a) Sodium bicarbonate
Explanation: Sodium bicarbonate is commonly used as an antacid
to neutralize excess stomach acid.
a) Ethyl alcohol
b) Sodium chloride
c) Hydrogen peroxide
d) Sugar
Answer: c) Hydrogen peroxide
Explanation: Hydrogen peroxide is widely used as an antiseptic
due to its ability to kill bacteria and viruses.
a) Calcium carbonate
b) Sodium bicarbonate
c) Fluoride
d) Zinc oxide
Answer: c) Fluoride
Explanation: Fluoride helps in preventing cavities by
strengthening tooth enamel and making it more resistant to decay.
a) Aspirin
b) Antacids
c) Beta-blockers
d) Insulin
Answer: c) Beta-blockers
Explanation: Beta-blockers are used to manage hypertension by
reducing the heart rate and the force of heart contractions.
a) Morphine
b) Paracetamol
c) Vitamin D
d) Insulin
Answer: a) Morphine
Explanation: Morphine is a narcotic drug used for pain relief
but can be addictive.
a) Aldehydes
b) Ketones
c) Esters
d) Alcohols
Answer: c) Esters
Explanation: Esters are widely used in the formulation of
perfumes due to their pleasant fragrance.
a) Insulin
b) Aspirin
c) Paracetamol
d) Ibuprofen
Answer: a) Insulin
Explanation: Insulin is used to lower blood sugar levels in
patients with diabetes.
a) Sodium chloride
b) Sodium hydroxide
c) Phenol
d) Acetic acid
Answer: c) Phenol
Explanation: Phenol and its derivatives are used in
disinfectants to kill germs and bacteria.
a) Paracetamol
b) Morphine
c) Insulin
d) Vitamin C
Answer: a) Paracetamol
Explanation: Paracetamol is commonly used as an antipyretic
(fever-reducing) drug.
a) Sodium chloride
b) Sodium benzoate
c) Formaldehyde
d) Glycerol
Answer: b) Sodium benzoate
Explanation: Sodium benzoate is used as a preservative in
cosmetics to prevent microbial growth.
a) Nylon
b) Cotton
c) Wool
d) Silk
Answer: a) Nylon
Explanation: Nylon is a synthetic polymer used extensively in
clothing and textiles due to its durability and strength.
a) Chlorine
b) Hydrogen peroxide
c) Sodium chloride
d) Nitrogen
Answer: b) Hydrogen peroxide
Explanation: Hydrogen peroxide is used as a disinfectant due to
its strong oxidizing properties.
a) Antibiotics
b) Antiseptics
c) Antacids
d) Analgesics
Answer: a) Antibiotics
Explanation: Antibiotics are used to treat infections caused by
bacteria.
a) Penicillin
b) Antiseptic creams
c) Paracetamol
d) Aspirin
Answer: b) Antiseptic creams
Explanation: Antiseptic creams are applied to wounds to prevent
infection and promote healing.
a) Penicillin
b) Ketoconazole
c) Paracetamol
d) Aspirin
Answer: b) Ketoconazole
Explanation: Ketoconazole is an antifungal drug used to treat
infections caused by fungi.
a) Transport oxygen
b) Speed up biochemical reactions
c) Store energy
d) Regulate body temperature
Answer: b) Speed up biochemical reactions
Explanation: Enzymes are biological catalysts that speed up the
rate of chemical reactions in living organisms.
a) Glycerin
b) Ethanol
c) Chlorine
d) Hydrogen peroxide
Answer: b) Ethanol
Explanation: Ethanol is the primary ingredient in alcohol-based
hand sanitizers due to its effectiveness in killing germs.
a) Benzoyl peroxide
b) Aspirin
c) Paracetamol
d) Insulin
Answer: a) Benzoyl peroxide
Explanation: Benzoyl peroxide is used in the treatment of acne
as it helps to kill the bacteria causing the condition.
a) Butadiene
b) Styrene
c) Propene
d) Acetylene
Answer: a) Butadiene
Explanation: Butadiene is a key monomer used in the production
of synthetic rubber.
a) Nitrogen
b) Oxygen
c) Carbon dioxide
d) Butane
Answer: d) Butane
Explanation: Butane is commonly used as a propellant in aerosol
cans due to its low boiling point and flammability.
a) Sodium chloride
b) Sodium nitrate
c) Sodium benzoate
d) Sodium bicarbonate
Answer: c) Sodium benzoate
Explanation: Sodium benzoate is used as a food preservative to
inhibit microbial growth and prolong shelf life.
a) Warfarin
b) Insulin
c) Aspirin
d) Paracetamol
Answer: a) Warfarin
Explanation: Warfarin is used as an anticoagulant to prevent
the formation of blood clots.
a) Nylon
b) Teflon
c) Cellulose
d) Polystyrene
Answer: c) Cellulose
Explanation: Cellulose is a natural polymer found in plant cell
walls.
a) Furosemide
b) Insulin
c) Paracetamol
d) Ammonia
Answer: a) Furosemide
Explanation: Furosemide is a diuretic used to treat fluid
retention in conditions like heart failure.
a) Food preservative
b) Disinfectant
c) Antioxidant
d) Food coloring
Answer: b) Disinfectant
Explanation: Formaldehyde is used as a disinfectant due to its
strong antimicrobial properties.
a) Morphine
b) Paracetamol
c) Insulin
d) Aspirin
Answer: b) Paracetamol
Explanation: Paracetamol is commonly used as a pain reliever
and fever reducer.
a) Cotton
b) Silk
c) Polyester
d) Wool
Answer: c) Polyester
Explanation: Polyester is a synthetic fiber widely used in the
textile industry.
a) Mercury
b) Formaldehyde
c) Sulfur dioxide
d) Chlorine
Answer: b) Formaldehyde
Explanation: Formaldehyde is used as a preservative in vaccines
to prevent contamination.
a) Aspirin
b) Penicillin
c) Insulin
d) Vitamin C
Answer: b) Penicillin
Explanation: Penicillin is an antibiotic used to treat
bacterial infections.
a) Paracetamol
b) Albuterol
c) Penicillin
d) Aspirin
Answer: b) Albuterol
Explanation: Albuterol is a medication used to relieve
bronchospasm in asthma.
a) Sodium chloride
b) Calcium carbonate
c) Sodium bicarbonate
d) Potassium permanganate
Answer: b) Calcium carbonate
Explanation: Calcium carbonate is used in the production of
glass.
a) Penicillin
b) Chloroquine
c) Aspirin
d) Paracetamol
Answer: b) Chloroquine
Explanation: Chloroquine is a drug used in the treatment of
malaria.
a) Laxatives
b) Insulin
c) Antibiotics
d) Antihistamines
Answer: a) Laxatives
Explanation: Laxatives are used to treat constipation by
promoting bowel movements.
a) Citric acid
b) Formaldehyde
c) Sulfur dioxide
d) Acetic acid
Answer: a) Citric acid
Explanation: Citric acid is used as a flavoring agent in food
products, particularly in beverages and candies.
a) Diazepam
b) Paracetamol
c) Insulin
d) Vitamin C
Answer: a) Diazepam
Explanation: Diazepam is used as a sedative to relieve anxiety
and promote relaxation.
a) Diphenhydramine
b) Paracetamol
c) Amoxicillin
d) Penicillin
Answer: a) Diphenhydramine
Explanation: Diphenhydramine is an antihistamine used to treat
allergies and hay fever.
a) Fluoxetine
b) Paracetamol
c) Aspirin
d) Penicillin
Answer: a) Fluoxetine
Explanation: Fluoxetine is an antidepressant used to treat
major depressive disorder.
a) Antacids
b) Antibiotics
c) Insulin
d) Analgesics
Answer: a) Antacids
Explanation: Antacids neutralize stomach acid to relieve
heartburn.
a) Acetic acid
b) Citric acid
c) Lactic acid
d) Hydrochloric acid
Answer: a) Acetic acid
Explanation: Acetic acid is the main ingredient in vinegar,
which is used in cooking and as a preservative.
a) Ibuprofen
b) Penicillin
c) Aspirin
d) Fluoxetine
Answer: a) Ibuprofen
Explanation: Ibuprofen is a nonsteroidal anti-inflammatory drug
(NSAID) used to reduce inflammation and pain.
a) Sodium chloride
b) Chlorine
c) Sodium bicarbonate
d) Potassium permanganate
Answer: b) Chlorine
Explanation: Chlorine is commonly used to disinfect water in
swimming pools to kill bacteria and other pathogens.
a) Warfarin
b) Insulin
c) Paracetamol
d) Aspirin
Answer: a) Warfarin
Explanation: Warfarin is used as an anticoagulant to prevent
blood clots from forming.