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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 reagent is predominantly used in pickling of stainless steel?
2. Who discovered the element chlorine?
3. What class of compounds do the oxygen based compounds of sulfur represent?
4. Which of the following conditions would improve the yield of ammonia production from Bosch-Haber process?
5. What is the source of obtaining oxygen industrially?
6. In the 17th century, Johann Glauber first prepared sulfuric acid by burning sulfur with potassium nitrate with steam. A famous salt was then called to be Glauber's salt. Which of the following is it?
7. Which of the following noble gases is most soluble in water?
8. What is the chemical formula structure of ozone?
9. What are interhalogen compounds used as?
10. Which of the following is also referred to as 'Marshall's acid'?
11. Which of the following is true regarding nitric acid?
12. Why is sulfur trioxide not dissolved in water and but treated with existing sulfuric acid?
13. Which of the following does not react with hydrochloric acid to give chlorine as a product?
14. What type of oxides is formed by metals?
15. What is the name of the industrial process to manufacture nitric acid?
16. What is the color of chlorine?
17. Which of the following is not true about phosphine?
18. Which of the following is true about sulphuric acid?
19. Which is the correct statement regarding halogens?
20. Which of the following reactions best represents lab scale preparation of nitric acid?
21. Which of the following reacts with PCl3 to form PCl5?
22. Which of the following reacts with hydrochloric acid to give hydrogen as a product?
23. Which of the following is the correct order of acidic strength?
24. What is the common name of O2SCl2?
25. Which of the following is true about dinitrogen oxide?

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