Chemistry Questions for SSC CGL EXAM

Dear  Readers,
We are providing the alternate quizzes on Chemistry/Biology/Physics. From this section you will get at least 7-8 questions in SSC CGL Exam. So from this quiz one can prepare general science section on daily basis.

Q1. Silicone is a polymer of which of the following?
(a) Tetra alkyl silane
(b) Silicon tetrachloride
(c) Dialkyl dichloro silane
(d) Silane




Q2. Which of the following metals can deposit copper from copper sulphate solution?
(a) Iron
(b) Gold
(c) Platinum
(d) Mercury


Q3. Which among the following is used to dilute oxygen in the gas cylinders used by divers?
(a) Helium
(b) Neon
(c) Krypton
(d) Argon


Q4. Natural rubber is a polymer of—
(a) Styrene
(b) Vinyl acetate
(c) Propene
(d) Isoprene


Q5. Citric acid is present in free form in— 
(a) Tamarind
(b) Milk
(c) Apple
(d) Lemon


Q6. The quality of diesel is expressed in term of—
(a) Cetane number
(b) Gold number
(c) Octane number
(d) Added unleaded compounds


Q7. The name of the scientist who discovered neutron—
(a) Fermi
(b) Rutherford
(c) Chadwick
(d) Bohr


Q8. The gas which is present in both the natural gas and the biogas is—
(a) hydrogen
(b) carbon monoxide
(c) methane
(d) butane


Q9. An alloy used in making heating elements for electric heating device is—
(a) German Silver
(b) Solder
(c) Alloy Steel
(d) Nichrome


Q10. Brine refers to:
(a) Salt water
(b) Sweet water
(c) Pure water
(d) Starch water


Q11. Plaster of Paris is made from—
(a) Limestone
(b) Gypsum
(c) Marble
(d) Bauxite


Q12. The process of removing hardness of water is called:
(a) Distillation
(b) Softening
(c) Sublimation
(d) Purification


Q13. Tritium is an isotope of—
(a) Oxygen
(b) Hydrogen
(c) Phosphorous
(d) Nitrogen


Q14. Chlorofluro carbons are widely used in—
(a) Micro ovens
(b) Solar heathers
(c) Washing machines
(d) Refrigerator


Q15. The gas used to extinguish fire is—
(a) Neon
(b) Nitrogen
(c) Carbon dioxide
(d) Carbon monoxide



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