Dear Students, SSC CGL Pre 2017 Exam is scheduled tentatively in the month of AUGUST 2017. At SSC ADDA, we are providing 15 important SCIENCE QUESTIONS based on previous year. SSC repeats many previous years questions. Every day, we provide quizzes on all the topics of General Studies.
Q1. The first element in the modern periodic table is…?
(a) Hydrogen
(b) Lithium
(c) Oxygen
(d) Helium
Q2. With which metal does Oxygen combine to form rust?
(a) Iron
(b) Platinum
(c) Gold
(d) Silver
Q3. Rust on iron is basically…?
(a) An Oxide
(b) A Nitride
(c) A Chloride
(d) A Sulphide
Q4. Which of the following metals is often found in the pure state?
(a) Iron
(b) Aluminum
(c) Gold
(d) Magnesium
Q5. Metals that can be easily beaten into sheets are known as __________ metals.
(a) Beatable
(b) Polymer
(c) Malleable
(d) Ductile
Q6.Often to prevent corrosion, metals are galvanized by covering them with a layer of
(a)Copper
(b)Zinc
(c)Sodium
(d)Tin
Q7.Yeast is an important source of
(a) Vitamin B
(b) vitamin C
Q8. Which of the following does not belong to this group?
(a) Iron
(b) Sodium
(c) Oxygen
(d) Lead
Q9.Which metal is extracted from Haematite?
(a)Tin
(b)Manganese
(c)Iron
(d)Cadmium
Q10. Which of the following is a pure substance made up of two or more types of atoms or elements?
(a) A mixture
(b) An element
(c) A compound
(d) An atom
Q11.If a metal ore is titled “pyrites” then it most probably has
(a)Chlorine
(b)Sulphur
(c)Oxygen
(d)Nitrogen
Q12. Which of the following is the smallest part of a compound, whose properties are the same as those of the compound?
(a) Molecule
(b) Mixture
(c) Element
(d) Atom
Q13.Which metal is extracted from Bauxite?
(a)Tungsten
(b)Arsenic
(c)Aluminum
(d)Gold
Q14. A process of sudden cooling is known as
(a) quenching
(b) sedimentation
(c) annealing
(d) diffusion
Q15. A process of very slow regulated cooling is known as
(a) quenching
(b) sedimentation
(c) annealing
(d) diffusion
