Everyday Science

Household Chemicals & Their Uses MCQs With Answer

Baking soda (sodium bicarbonate) is commonly used in households as a:
a) Disinfectant
b) Bleaching agent
c) Cleaning agent and deodorizer
d) Metal polish

Answer
c) Cleaning agent and deodorizer

Which household chemical is used as a fabric softener?
a) Vinegar
b) Ammonia
c) Hydrogen peroxide
d) Acetone

Answer
a) Vinegar

Which chemical is commonly used in drain cleaners to dissolve clogs?
a) Sodium hydroxide
b) Sodium chloride
c) Potassium nitrate
d) Magnesium sulfate

Answer
a) Sodium hydroxide

What is the primary ingredient in bleach?
a) Sodium chloride
b) Sodium hypochlorite
c) Acetic acid
d) Hydrogen peroxide

Answer
b) Sodium hypochlorite

Which household chemical is used as a natural disinfectant?
a) Vinegar
b) Baking soda
c) Salt
d) Sugar

Answer
a) Vinegar

Hydrogen peroxide is commonly used as a:
a) Insecticide
b) Bleaching and antiseptic agent
c) Metal cleaner
d) Grease remover

Answer
b) Bleaching and antiseptic agent

Which chemical is the main ingredient in glass cleaners?
a) Ammonia
b) Sulfuric acid
c) Sodium bicarbonate
d) Ethanol

Answer
a) Ammonia

Which substance is commonly used to remove rust stains?
a) Acetic acid
b) Sulfuric acid
c) Oxalic acid
d) Sodium hydroxide

Answer
c) Oxalic acid

What is the active ingredient in mothballs?
a) Naphthalene
b) Acetone
c) Ammonia
d) Sodium chloride

Answer
a) Naphthalene

Which household chemical is effective in unclogging toilets and sinks?
a) Sodium hydroxide
b) Calcium carbonate
c) Magnesium sulfate
d) Citric acid

Answer
a) Sodium hydroxide

What is the main ingredient in hand sanitizers?
a) Ammonia
b) Ethanol or isopropyl alcohol
c) Baking soda
d) Acetic acid

Answer
b) Ethanol or isopropyl alcohol

Which chemical is commonly used to neutralize odors in refrigerators?
a) Ammonia
b) Vinegar
c) Baking soda
d) Hydrogen peroxide

Answer
c) Baking soda

Which chemical is used in antiseptic mouthwashes?
a) Hydrogen peroxide
b) Acetone
c) Sodium hydroxide
d) Sulfuric acid

Answer
a) Hydrogen peroxide

Which substance is found in toothpaste to help prevent cavities?
a) Fluoride
b) Acetic acid
c) Sodium hydroxide
d) Magnesium sulfate

Answer
a) Fluoride

What is the active ingredient in antacids?
a) Sodium bicarbonate
b) Acetic acid
c) Sulfuric acid
d) Ammonia

Answer
a) Sodium bicarbonate

Which household chemical is used to remove stains from clothes?
a) Hydrogen peroxide
b) Sodium chloride
c) Acetic acid
d) Potassium hydroxide

Answer
a) Hydrogen peroxide

Which chemical is commonly used as an air freshener?
a) Ethanol
b) Acetone
c) Sodium bicarbonate
d) Sodium chloride

Answer
a) Ethanol

Which household chemical is effective in dissolving grease?
a) Vinegar
b) Ammonia
c) Sulfuric acid
d) Acetone

Answer
b) Ammonia

Which chemical is found in hair dye and bleach?
a) Hydrogen peroxide
b) Sodium bicarbonate
c) Acetic acid
d) Ammonia

Answer
a) Hydrogen peroxide

What is the main ingredient in vinegar?
a) Citric acid
b) Acetic acid
c) Hydrochloric acid
d) Ammonia

Answer
b) Acetic acid

Which household chemical is used as a drain cleaner?
a) Potassium hydroxide
b) Sodium hydroxide
c) Sulfuric acid
d) Calcium carbonate

Answer
b) Sodium hydroxide

Which chemical is commonly found in dishwashing detergents?
a) Phosphates
b) Hydrochloric acid
c) Sodium chloride
d) Acetic acid

Answer
a) Phosphates

What is the main ingredient in antiperspirants?
a) Sodium hydroxide
b) Aluminum compounds
c) Ammonia
d) Acetic acid

Answer
b) Aluminum compounds

Which chemical is commonly found in laundry detergents?
a) Sodium carbonate
b) Ammonia
c) Hydrogen peroxide
d) Acetic acid

Answer
a) Sodium carbonate

Which household chemical is used in fire extinguishers?
a) Sodium bicarbonate
b) Acetone
c) Ammonia
d) Phosphoric acid

Answer
a) Sodium bicarbonate

Which chemical is used in shoe polish?
a) Wax and turpentine
b) Acetic acid
c) Baking soda
d) Sodium hydroxide

Answer
a) Wax and turpentine

Which chemical is used in insect repellent?
a) DEET
b) Sodium bicarbonate
c) Acetic acid
d) Hydrogen peroxide

Answer
a) DEET

Which household chemical is used in furniture polish?
a) Lemon oil
b) Acetone
c) Sodium chloride
d) Vinegar

Answer
a) Lemon oil

What is the main ingredient in car batteries?
a) Sulfuric acid
b) Hydrochloric acid
c) Acetic acid
d) Ammonia

Answer
a) Sulfuric acid

Which chemical is commonly used to remove nail polish?
a) Acetone
b) Ammonia
c) Vinegar
d) Hydrogen peroxide

Answer
a) Acetone

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