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35 views1 page

Language of Chemistrmcq

sxsa

Uploaded by

Bharati Gulajkar
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as DOCX, PDF, TXT or read online on Scribd
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language of Chemistry

MCQ
1. What is the valency of lead?
2. The valency of Chlorine in AlCl3 is
3. The molecular formula for Ammonium carbonate is
4. Formula of baking soda
5. How many valence electrons are in an atom of Ar?
6. valency of chloride ion is
7. What is the molecular formula of acetic acid
8. nitrate ion contains
a) nitrogen and oxygen b) Nitrogen only
b) Nitrogen ,hydrogen and oxygen d)Sodium and nitrogen

9. Sulphur shows valencies


a) 2 b) 4 c) Both

10.Name the elements present in Ammonia


a) Nitrogen b) hydrogen c) both nitrogen and hydrogen

11. The symbol and valency of ammonium is


12. The formula for Silver [I] chloride is:
13. State the possible valencies for Iron:
14. The term used for substances which are formed as a result of chemical reaction
15. The chemical name for Nitric oxide (NO) is:
a) Nitrogen peroxide b) Nitrogen Monoxide
c) Dinitrogen oxide d) None of the above

16. Which out of these is a rare gas?


a) Hydrogen b) Boron c) Silicon d) Argon

17. Choose the elements whose valency is 2+


a) Oxygen b) Magnesium c) Sodium

18. Which out of these will form an anion?


a) Ammonium b) Chlorine c) Nickel

19. What is the valency for Zincate radical?

20. The chemical formula for Magnesium Nitride is:


a) MgNO4 b) (Mg)2NO3 c) MgN2

21. The valency of copper in CuO is:

22. Molecular mass of water is:


a) 16 u b)18 uc)20 u d) 22 u

23. Give the chemical name of Ca3N2


24. The chemical name of the compound Na2S2O3
a) Sodium thiosulphate b)Sodium sulphate
c) Sodium disulphide trisulphide d)Disodium sulphide oxide

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