Chemistry in Everyday Life MCQs in Everyday Science

By: Prof. Dr. Fazal Rehman | Last updated: May 19, 2025

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1. : What common household item is a weak acid used for cooking and cleaning?





2. : Which substance is commonly used as a preservative in processed foods?





3. : What is the primary chemical component of table salt?





4. : Which gas is commonly used in carbonated drinks to make them fizzy?





5. : Which household chemical is often used as a disinfectant and is also a common bleaching agent?





6. : Which compound is primarily responsible for the “hardness” of water?





7. : Which of the following is an example of a natural polymer commonly found in food?





8. : What is the chemical formula for baking soda, commonly used in cooking?





9. : Which of the following is a natural sweetener derived from plants?





10. : What substance is used in toothpaste to help prevent cavities?





11. : Which compound is commonly used in antacids to neutralize stomach acid?





12. : Which of the following is a common organic solvent used in nail polish remover?





13. : What is the active ingredient in most household bleach?





14. : Which gas is commonly used to fill balloons and is lighter than air?





15. : Which type of chemical bond holds the atoms together in a water molecule?





16. : What is the main chemical component of vinegar?





17. : Which element is essential for the production of hemoglobin in the human body?





18. : What is the primary use of calcium carbonate in daily life?





19. : Which chemical is commonly used as a leavening agent in baking?





20. : Which of the following substances is commonly used to remove grease and oil stains?





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