Science Questions for SSC CGL Exam 2017


Dear Students,Science is an important part in GENERAL STUDIES of SSC CGL and CPO. In SSC CGL, 5-8 questions were asked from this part. So we provide 15 Questions of SCIENCE every day .We have provided Science Notes too.

Q1. An example of semiconductor is 
(a) German silver
(b) Germanium
(c) Phosphorous
(d) Arsenic
S1. Ans.(b)

Q2. The chief constituent of vinegar is

(a) Formic acid
(b) Acetic acid

(c) Salycylic acid
(d) Oxalic acid
S2. Ans.(b)

Q3. Sea weeds are important source of
(a) iron
(b) chlorine
(c) bromine
(d) iodine

S3. Ans.(d)

Q4. The common name for the compound having formal NaOH is
(a) Caustic soda
(b) Caustic potash
(c) Soda ash
(d) Sodium hydroxide
S4. Ans.(a)

Q5. A balloon filled with helium rises in air because

(a) air exerts an upward force on the balloon
(b) the balloon is weightless
(c) helium is less dense than air
(d) helium pushes down on the air below the balloon
S5. Ans.(c)

Q6. Which of the following contains high content of lead?

(a) Coal
(b) Cooking gas
(c) High octane fuel
(d) Low octane fuel
S6. Ans.(c)

Q7. The anode of a dry cell is made up of

(a) Iron
(b) Cadmium
(c) Zinc
(d) Lead
S7. Ans.(c)

Q8. Electric bulbs are filled with:

(a) Nitrogen
(b) Carbon dioxide
(c) Argon
(d) Oxygen
S8. Ans.(c)

Q9. The iron ore which contain 72% of iron is:

(a) Magnetic
(b) Limonite
(c) Haematite
(d) Siderite
S9. Ans.(a)

Q10. Aspirin is chemically known as 

(a) methyl salicylate
(b) hydroxysalicylate
(c) acetylsalicylic acid
(d) alkylsalicylic acid
S10. Ans.(c)

Q11. Aqua regia is a 1 : 3 mixture, by volume, of
(a) conc. Nitric acid and conc. Hydrochloric acid
(b) conc. Hydrochloric acid and conc. Nitric acid
(c) conc. Nitric acid and conc. sulphuric acid
(d) conc. sulphuric acid and conc. nitric acid
S11. Ans.(a)

Q12. The important ore of aluminium is

(a) bauxite
(b) cryolite
(c) fluorspar
(d) haematite
S12. Ans.(a)

Q13. Vinegar made by fermentation from cane sugar contains

(a) palmitic acid
(b) lactic acid
(c) citric acid
(d) acetic acid
S13. Ans.(d)

Q14. Major gaseous pollutant of the thermal power station is

(a) H_2 S
(b) NH_3
(c) NO_2
(d) SO_2
S14. Ans.(d)

Q15. Commercially, sodium bicarbonate is known as

(a) Washing soda
(b) Baking soda
(c) Bleaching powder
(d) Soda ash
S15. Ans.(b)


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