Welcome to your Chemistry Knowledge Builder Quiz
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1. Which metal is most abundant in the Earth’s crust?
2. What is the valency of sodium?
3. Which gas is produced during fermentation?
4. Which law states that mass is neither created nor destroyed in a chemical reaction?
5. Which compound is commonly known as quicklime?
6. Which scientist discovered the electron?
7. Which acid is found in ant stings?
8. Which reaction involves gain of electrons?
9. Which substance is used as an indicator in acid-base titration?
10. Which instrument is used to measure pH?
11. What is the chemical formula of ammonia?
12. Which type of reaction occurs when calcium carbonate is heated?
13. Which state of matter is highly compressible?
14. What is the pH value of a neutral solution at 25°C?
15. What is the pH range of acidic solutions?
16. Which substance is used as a drying agent?
17. Which element has the highest electronegativity?
18. Which element is present in all organic compounds?
19. Which metal is the best conductor of electricity?
20. Which reaction occurs between an acid and a base?
21. Which type of bond is formed by the sharing of electrons?
22. Which metal is liquid at room temperature?
23. Which gas is filled in electric bulbs?
24. Which of the following is a base?
25. Which chemical is used for sterilizing drinking water?