SSC CHSL- Chemistry GK Questions and Answers Set 21

 Chemistry GK Questions and Answers
SSC CHSL- Chemistry GK Questions and Answers Set 21:
The List of Important GK questions from general science were given here, Candidates those who are preparing for the SSC/FCI Exam can use this material


1).The painting of iron protects it from rust, because it
a)    Reacts chemically with iron
b)    Prevents the contact of carbon dioxide with iron
c)    Changes the rate of chemical reaction of iron
d)    Prevents the contact of oxygen and moisture with iron



2).Which among the following gas used in the manufacture of vanaspati ghee?
a)    N₂
b)    CO₂
c)     H₂  
d)     Ne



3).The ratio of hydrogen and oxygen in water molecule is
a)     1: 2  
b)    2: 1
c)    3: 1
d)    None of these



4).If all the plants on the earth are destroyed, all the living beings would die due to
a)    Lack of rain   
b)    Lack of Hydrogen
c)    Absence of Oxygen
d)    Lack of Carbon dioxide



5).Which among the following is a thermosetting plastic?
a)    Polythene  
b)    Bakelite
c)    Polyvinychloride
d)    Casseine



6).The constituents of petroleum are separated by which method?
a)    Pyrolysis
b)    Normal distillation
c)    Fractional distillation
d)    Vacuum distillation



7).Knocking can be reduced by which compound
a)    Iso-octane  
b)    N- heptane
c)    Tetra Ethyl Lead
d)    Benzene



8).Organic compound most abundantly found in nature is………
a)    Glucose
b)    Fructose
c)    Sucrose
d)    Cellulose


  
9).Zinc is not present in
a)    Brass
b)    Bronze
c)    German Silver   
d)    None of these



10).Periodic Table was given by
a)    Faraday
b)    Mendaleev
c)    Arrhenius
d)    Lavoisier



Answers:                                 
1). d)   2). c)   3). b)   4). c)   5). b)   6).d )   7). c)   8).d )   9). b)   10). b)

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