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Class 12 Chemistry: P-Block Elements
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MCQs on group 15, 16, 17 and 18 elements, dinitrogen, ammonia, nitrogen oxides, nitric acid, phosphorus and sulphur allotropic forms, sulphuric acid, phosphine, phosphorus halides, phosphorus, sulphur and halogens oxoacids, dioxygen, chlorine, hydrogen chloride and interhalogen compounds.

Class 12 Chemistry: P-Block Elements
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25 Questions

1. Which of the following is a hypohalous acid?
2. What is the general electronic configuration of the halogens?
3. How is chlorine gas manufactured industrially?
4. What is formed when amphoteric oxides react with an alkali solution?
5. What does dinitrogen oxide on reaction with sodamide produce?
6. Marine life is more comfortable in warm water than cold water. True or false?
7. What is the electronic configuration of chloride?
8. Why does aluminum not degrade in nature quickly?
9. Which of the following halogen is radioactive?
10. What type of oxides is formed by metals?
11. Which of the following is true about interhalogen compounds?
12. Which of the following can be used to dry HCl gas?
13. As ozone transitions from solid to liquid to gas, what is the notable color change?
14. Which is the correct statement regarding halogens?
15. Why is ozone a powerful bleaching agent?
16. Which of the following is not poisonous?
17. What is the primary component of food preservative E220?
18. What is the molecular mass of chlorine?
19. What is the pH of 1mM concentrated sulfuric acid?
20. Which of the following is most stable?
21. Which of the following reacts with PCl3 to form PCl5?
22. Which of the following is the correct order of acidic strength?
23. Which of the following scientists first discovered helium in the solar spectrum during a total solar eclipse?
24. What will be the products of the reaction – C2H4 + 2O2 →?
25. What is the nature of zinc oxide?

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