1. The term PVC used in the plastic industry stands for

polyvinyl chloride
polyvinyl carbobate
phosphor vanadiu chloride
phosphavinyl chloride

Answer: Option A


2. What among following is used to produce artificial rain ?

copper oxide
carbon monoxide
silver iodide
silver nitrate


Answer: Option C


3. Oil of vitriol is 

nitric acid 
sulphuric acid 
hydrochloric acid 
phosphoric acid 


Answer: Option B


4 Which is used in preparation of dynamite ?

glycerol 
ethyl alcohol 
methyl alcohol 
glycol 

Answer: Option A


5. What is Calcium sulphate ?

epsom salt 
blue vitriol 
gypsum salt 
potash alum 


Answer: Option C

6. Who is regarded as father of modern chemistry ?

Ruterford
Einstein
Lavoisier
C.V. Raman
Answer: Option C


7. Which is not a type of elements ?

Metals
Non Metals
Metalloids
Gases

Answer: Option D

8. Which acid is present in lemon ?

marlic acid
citric acid
lactic acid
tartaric acid

Answer: Option B

9. Identify the wrong statement in the following


Atomic radius of the elements increases as one moves down the first group of the periodic table
Atomic radius of the elements decreases as one moves across from left to right in the 2nd period of the
Amongst isoelectronic species, smaller the positive charge on the cation, smaller is the ionic radius
Amongst isoelectronic species, greater the negative charge on the anion, larger is the ionic radius


Answer: Option C

10. Rare gases are

mono atomic
di atomic
tri atomic
None of above

Answer: Option A

11. Bleaching action of chlorine is by

decomposition 
hydrolysis 
reduction 
oxidation 


Answer: Option A

12. Which metal is heaviest ?

osmium 
mercury 
iron 
nickle 


Answer: Option A


13. What is a mixture of potassium nitrate powdered charcoal and sulphur called?

paint 
aluminium 
brass 
gun powder 


Answer: Option D


14. Nail polish remover contains ?

benzene 
acetic acid 
acetone 
petroleum ether 


Answer: Option C

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