Dear Students, At SSC ADDA, we are providing 15 important SCIENCE QUESTIONS based on previous year. SSC CGL Pre 2017 Exam is scheduled tentatively in the month of AUGUST 2017. SSC repeats many previous years questions. Every day, we provide quizzes on all the topics of General Studies.
Q1. Alpha particle is the nucleus of an atom of
Q2. Silicone is a polymer of
(a) Tetraalkyl silane
(b) Silicon tetrachloride
(c) Dialkyl dichloro silane
Q3. Which is a natural colloid?
(a) Sodium chloride
Q4. Which one of the following does not contain Silver?
(a) Ruby Silver
(b) Lunar Caustic
(c) German Silver
(d) Horn Silver
Q5. The presence of Cobalt in Vitamin B_12 was established for the first time by
(a) Hydrolysis test
(c) Borax-Bead test
(d) Sodium Nitroprusside test
Q6. Ultraviolet rays can be used in water treatment as
Q7. In a period from Li to F, ionization potential
(b) remains same
(c) cannot be predicted
Q8. Which of the following metals can deposit copper from copper sulphate solution?
Q9. Who is the father of Biology?
(d) None of these
Q10. The nuclear particle having no mass and no charge, but only spin is
Q11. Which among the following is used to dilute oxygen in the gas cylinders used by divers?
Q12. Which one of the following does not form oxyacid?
Q13. Which of the following has zero electron affinity?
Q14. Aluminium is obtained by the electrolysis of pure AL_2 O_3 dissolved in
Q15. Threshold limit value of copper in the atmosphere air is
(a) 0.001 mg/m^3
(b) 0.01 mg/m^3
(c) 1.0 mg/m^3
(d) 5.0 mg/m^3
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