Important Questions in Chemistry for CSIR NET Exam

Important Questions in Chemistry for NET Exam - Paper II

1.Which one of the following is the rare gas

1. di atomic


2. mono atomic


3. tetra atomic


4. both 2 & 3

Answer : 1



2.Acidic rain is produced by

1. carbon monoxide


2. silver nitrate


3. benzole


4. 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

1. benzoic acid


2.  chlorobenzene


3.  benzaldehyde


4.  aniline

Answer: 2



4. Aquq - regia is a mixture of concentrated hydrochloric acid and concentrated nitric acid in the ratio of

1. 3:1


2. 2:5


3. 1:6


4. 3:2

Answer: 1



 5.Who among the following discovered Neon

1. Rayleigh


2. Lockyear


3. Ramsay and Travers


4. Janssen

Answer: 3



6.What kind of behavior  can be expected if a transition metal ion exists in its highest oxidation state

1. an oxidising agent


2. reducing agent


3. chelating agent


4. both 2 & 3

Answer: 1



7.The catalyst used for the Decon's process for the manufacture of chlorine is

1. concentrated hydrochloric acid


2. Cupric chloride


3. Nickel


4. Invertase enzyme

Answer: 2



8. Name the type of colloid inface cream

1. emulsion


2. foam


3. gel


4. all of the above

Answer: 1

9. Among the following which one minamata disease is caused by Cadmium?

1. cancer


2. itai-itai diseases


3. minamato diseases


4. both 2 & 3

Answer: 2



10. What are the monomers for the polymer Melmac?

1. phenol+ formaldehyde


2. urea +  formaldehyde


3. ethene + formaldehyde


4. melamine + formaldehyde

Answer: 4