Welcome to your Chemistry Knowledge Builder Quiz
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1. Which element is used in pencils?
2. Which compound is commonly known as quicklime?
3. Which gas is released when zinc reacts with dilute hydrochloric acid?
4. What is the main constituent of LPG?
5. Which element is a halogen?
6. Which substance is used as a drying agent?
7. What is the chemical symbol for potassium?
8. What is the SI unit of amount of substance?
9. What is the process of coating iron with zinc called?
10. Which element is commonly used in thermometers?
11. Which type of reaction occurs when calcium carbonate is heated?
12. Which of the following is a strong acid?
13. Which scientist proposed the atomic theory in 1808?
14. Which element is essential for combustion?
15. Which process involves loss of electrons?
16. Which law states that equal volumes of gases at the same temperature and pressure contain equal numbers of molecules?
17. Which of the following is an example of a noble gas?
18. Which state of matter is highly compressible?
19. Which gas is used in fire extinguishers?
20. Which state of matter has a definite shape and volume?
21. Which element is essential for making fertilizers?
22. Which of the following is a physical change?
23. What is the pH value of a neutral solution at 25°C?
24. Which particle has a negative charge?
25. Which metal is the best conductor of electricity?