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CTET Prep: Science Questions - Chemistry - Non-Metals and Their Compounds
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Hydrogen, carbon, nitrogen, oxygen, phosphorus, arsenic and selenium are the non-metallic elements in the periodic table.

CTET Prep: Science Questions - Chemistry - Non-Metals and Their Compounds
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25 Questions

1. Iodine deficiency in diet is known to cause
2. The basicity of ortho phosphoric acid is
3. The variety of coal having the highest carbon content is
4. The structure of ozone is
5. Which is a constituent of Thomas slag?
6. Which one is the weakest acid?
7. Oxygen molecule shows
8. Percentage of lead in lead pencil is
9. Bleaching action of chlorine is due to the formation of
10. The mineral element which is essential in nitrogen fixation is
11. In the manufacture of safty matches, we use
12. Ammonia is a
13. Ultra silicon is prepared by the process of
14. Which of the following does not have bleaching action?
15. Phosgene is obtained by the reaction of carbon monoxide and
16. Ordinary glass is
17. The basic structural unit in silicates is
18. The electronic configuration of Si is
19. Which of the following metals exhibits similarity in properties of aluminium?
20. Alim is
21. Freon is used as
22. Which of the following noble gases has the largest van der Waal’s radius?
23. Which is the process used for purification of bauxite are containing silica as impurity?
24. Which of the following least bond dissociation energy?
25. The compound used as refrigerant is

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