Important Questions in Chemistry for NET Exam - Paper II
1.Which one of the following is the rare gas
- di atomic
- mono atomic
- tetra atomic
- both 2 & 3
Answer : 1
2.Acidic rain is produced by
- carbon monoxide
- silver nitrate
- benzole
- silver iodide
Answer : 3
3.Name an organic compound that used to produce a bluish green colour flame on heating in presence of copper is
- benzoic acid
- chlorobenzene
- benzaldehyde
- aniline
Answer: 2
4. Aquq - regia is a mixture of concentrated hydrochloric acid and concentrated nitric acid in the ratio of
- 3:1
- 2:5
- 1:6
- 3:2
Answer: 1
5.Who among the following discovered Neon
- Rayleigh
- Lockyear
- Ramsay and Travers
- Janssen
Answer: 3
6.What kind of behavior can be expected if a transition metal ion exists in its highest oxidation state
- an oxidising agent
- reducing agent
- chelating agent
- both 2 & 3
Answer: 1
7.The catalyst used for the Decon's process for the manufacture of chlorine is
- concentrated hydrochloric acid
- Cupric chloride
- Nickel
- Invertase enzyme
Answer: 2
8. Name the type of colloid inface cream
- emulsion
- foam
- gel
- all of the above
Answer: 1
9. Among the following which one minamata disease is caused by Cadmium?
- cancer
- itai-itai diseases
- minamato diseases
- both 2 & 3
Answer: 2
10. What are the monomers for the polymer Melmac?
- phenol+ formaldehyde
- urea + formaldehyde
- ethene + formaldehyde
- melamine + formaldehyde
Answer: 4
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