Everyday Chemistry Quiz - Discover Chemistry in Daily Life

Question 1 of 33

What is the primary chemical component of table salt?

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Sodium chloride

Potassium chloride

Calcium carbonate

Magnesium sulfate

Question 2 of 33

Which chemical compound is commonly used as a disinfectant in household cleaning products?

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Acetic acid

Hydrogen peroxide

Sodium bicarbonate

Sulfuric acid

Question 3 of 33

What is the main active ingredient in most antacids?

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Calcium carbonate

Sodium chloride

Magnesium sulfate

Potassium iodide

Question 4 of 33

Which acid is commonly used in the production of vinegar?

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Citric acid

Acetic acid

Sulfuric acid

Hydrochloric acid

Question 5 of 33

What is the primary ingredient in bleach?

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Sodium hypochlorite

Hydrogen peroxide

Sodium chloride

Acetic acid

Question 6 of 33

What gas is commonly used to carbonate soft drinks?

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Carbon dioxide

Nitrogen

Oxygen

Hydrogen

Question 7 of 33

Which of the following is a common use of sodium bicarbonate (baking soda) in everyday life?

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As a leavening agent in baking

As a cleaning solvent

As a flavor enhancer in cooking

As a preservative in canned foods

Question 8 of 33

Which chemical is responsible for the sour taste of lemons?

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Citric acid

Lactic acid

Acetic acid

Ascorbic acid

Question 9 of 33

What is the main function of soap in cleaning?

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To dissolve grease and oil

To kill bacteria

To neutralize acids

To deodorize

Question 10 of 33

Which substance is commonly used to preserve food and prevent spoilage?

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Sodium chloride

Ascorbic acid

Potassium nitrate

Magnesium sulfate

Question 11 of 33

Which gas is produced when baking soda reacts with an acid?

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Oxygen

Carbon dioxide

Nitrogen

Hydrogen

Question 12 of 33

Which compound is commonly used as a natural insect repellent?

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Citronella

Lactic acid

Acetic acid

Boric acid

Question 13 of 33

Which chemical is commonly used to make bread rise?

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Yeast

Calcium carbonate

Sodium chloride

Vinegar

Question 14 of 33

What is the primary chemical in aspirin that provides its pain-relieving effects?

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Acetylsalicylic acid

Acetic acid

Citric acid

Lactic acid

Question 15 of 33

Which chemical is used in the production of most household ammonia cleaners?

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Ammonium hydroxide

Hydrochloric acid

Sodium hydroxide

Sulfuric acid

Question 16 of 33

What is the role of antioxidants in foods?

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To prevent oxidation and spoilage

To enhance flavor

To add color

To increase shelf life

Question 17 of 33

Which chemical element is commonly found in both table salt and sea water?

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Sodium

Potassium

Calcium

Magnesium

Question 18 of 33

What is the main ingredient in most toothpastes that helps in fighting cavities?

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Fluoride

Calcium carbonate

Sodium bicarbonate

Glycerin

Question 19 of 33

Which type of reaction is involved when mixing baking soda with vinegar?

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Neutralization reaction

Oxidation-reduction reaction

Decomposition reaction

Combination reaction

Question 20 of 33

Which substance is commonly used to soften hard water?

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Sodium carbonate

Calcium sulfate

Magnesium chloride

Potassium iodide

Question 21 of 33

What is the chemical formula for ethanol, commonly found in alcoholic beverages?

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C₂H₅OH

CH₃COOH

C₆H₁₂O₆

C₁₂H₂₂O₁₁

Question 22 of 33

Which chemical is used to prevent rust in iron and steel?

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Zinc

Lead

Copper

Nickel

Question 23 of 33

Which substance is commonly used as a primary ingredient in sunscreens?

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Zinc oxide

Calcium carbonate

Boric acid

Sodium chloride

Question 24 of 33

Which acid is often used in the production of soft drinks and candies for its sour flavor?

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Citric acid

Hydrochloric acid

Sulfuric acid

Nitric acid

Question 25 of 33

What is the primary component of natural gas used for heating and cooking?

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Methane

Ethane

Propane

Butane

Question 26 of 33

Which substance is commonly used as a natural bleach for hair?

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Hydrogen peroxide

Sodium hypochlorite

Acetic acid

Calcium hypochlorite

Question 27 of 33

What is the primary chemical in most insecticides?

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Pyrethrin

Citronella

Boric acid

Lactic acid

Question 28 of 33

Which gas is commonly used in fire extinguishers to put out fires?

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Carbon dioxide

Nitrogen

Oxygen

Helium

Question 29 of 33

What is the main ingredient in most over-the-counter cough syrups?

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Dextromethorphan

Acetaminophen

Ibuprofen

Diphenhydramine

Question 30 of 33

Which chemical compound is used to preserve the color and freshness of meat?

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Nitrite

Chlorine

Sodium bicarbonate

Citric acid

Question 31 of 33

What is the main function of the chemical ingredient found in most antifreeze solutions?

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To lower the freezing point of water

To increase the boiling point of water

To improve engine lubrication

To enhance fuel efficiency

Question 32 of 33

Which compound is commonly used in laundry detergents to enhance cleaning?

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Enzymes

Sulfuric acid

Calcium sulfate

Magnesium chloride

Question 33 of 33

Which substance is used in the manufacture of most batteries?

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Lithium

Calcium

Zinc

Potassium

Everyday Chemistry : Chemistry

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