Dear Students, Science is an important part in GENERAL STUDIES of SSC CGL Exam 2017. In SSC CGL, 5-8 questions were asked from this part. So we are providing 15 Questions of SCIENCE every day.We have provided Science Notes to help you with all the concepts.
Q1. Alum stops bleeding in minor cuts because of
(a) solvation
(b) emulsion
(c) dialysis
(d) coagulation
Q2. The gas used for filling weather balloons is
(a) Helium
(b) Air
(c) Nitrogen
(d) None of these
Q3. When formaldehyde and potassium hydroxide are heated, we get
(a) Acetylene
(b) Methyl alcohol
(c) Methane
(d) Ethyl formate
Q4. The purity of gold is expressed in carats. The purest form of gold is
(a) 24 carats
(b) 99.6 carats
(c) 91.6 carats
(d) 22 carats
Q5. Which one of the following is extensively used for sterilizing water?
(a) Bleaching powder
(b) Alum
(c) Borax powder
(d) Soda powder
Q6. The chemical name of Common salt’ is
(a) Sodium chloride
(b) Sodium nitrate
(c) Ammonium chloride
(d) Calcium chloride
Q7. Typhoid fever is caused by-
(a) virus
(b) bacteria
(c) fungus
(d) allergy
Q8. Bhopal gas tragedy is associated with leakage of
(a) carbon dioxide
(b) nitrogen dioxide
(c) sulphur dioxide
(d) methyl isocyanate
Q9. Type metal used in printing press is an alloy of
(a) lead and copper
(b) lead and antimony
(c) lead and bismuth
(d) lead and zinc
Q10. Aspirin is
(a) Methoxy benzoic acid
(b) Methyl Salicilate
(c) Acetyl Salicilic acid
(d) Phenyl Salicilate
Q11. The first metal used by a man was
(a) Copper
(b) Silver
(c) Bronze
(d) Brass
Q12. Milk tastes sour when it is left in open for some time. This happens due to the formation of
(a) Lactic acid
(b) Citric acid
(c) Acetic acid
(d) Carbonic acid
Q13. Galvanised iron is made by coating iron with
(a) Zinc
(b) Nickel
(c) Chromium
(d) Sulphur
Q14. ‘Milk of Magnesia’ is a suspension of:
(a) magnesium sulphate
(b) magnesium carbonate
(c) magnesium hydroxide
(d) magnesium chloride
Q15. Bauxite is an alloy of which of the following metals?
(a) Aluminium
(b) Silver
(c) Tin
(d) Iron
CRACK SSC CGL 2017
