CHEMISTRY SSC GS Previous Year Questions ( CHEMISTRY QUESTION )

CHEMISTRY SSC GS Question

Q1.Beryllium Sulphate is less soluble in water due to ?
(a)High inflammable energy
(b) Low Energy of dissociation
(c) Low inflammable energy
(d) ionic band
[su_spoiler title=”Answer” open=”no” style=”default” icon=”plus” anchor=”” class=””] (a)High inflammable energy [/su_spoiler]



Q2.What is the name of that system which uses
radioactivity to decide the period of materials of pre
his tone period ?

(a) Radium dating
(b) Uranium dating
(c) Carbon dating
(d) Deuterium dating
[su_spoiler title=”Answer” open=”no” style=”default” icon=”plus” anchor=”” class=””] (c) Carbon dating [/su_spoiler]



Q3.Cement is made hard with
(a) dehydration
(b) hydration and dissociation of water
(c) Dissociation of water
(d) Polymerisation
[su_spoiler title=”Answer” open=”no” style=”default” icon=”plus” anchor=”” class=””] (b) hydration and dissociation of water [/su_spoiler]



Q4.What happens when a chemical bond is formed ?
(a) energy is always absorbed
(b) energy in always released
(c) more energy is released than is absorbed
(d) energy is neither released nor absorbed
[su_spoiler title=”Answer” open=”no” style=”default” icon=”plus” anchor=”” class=””] (a) energy is always absorbed [/su_spoiler]



Q5.Which among the following is a carbohydrate ?
(a) Nylon
(b) Cane sugar
(c) Turpentine
(d) Hydrogen peroxide
[su_spoiler title=”Answer” open=”no” style=”default” icon=”plus” anchor=”” class=””] (b) Cane sugar [/su_spoiler]



Q6. In which of the following states maximum iron ore is
found ?
(a) FeC03
(b) Fe203
(c) Fe304
(d) FeS2
[su_spoiler title=”Answer” open=”no” style=”default” icon=”plus” anchor=”” class=””] (b) Fe203 [/su_spoiler]



Q7.Which one of the following metals pollutes the air of a
city having large number of automobiles?

(a) Cadmium
(b) Chromium
(c) Lead
(d) Copper
[su_spoiler title=”Answer” open=”no” style=”default” icon=”plus” anchor=”” class=””] (c) Lead [/su_spoiler]



Q8.What is the Chemical name for baking soda?
(a) Sodium carbonate
(b) Sodium bicarbonate
(c) Sodium nitrite
(d) Sodium nitrate
[su_spoiler title=”Answer” open=”no” style=”default” icon=”plus” anchor=”” class=””] (b) Sodium bicarbonate [/su_spoiler]



Q9. An atomic pile is used for
(a) producing X rays
(b) conducting nuclear fission
(c) conducting thermonuclear fusion
(d) accelerating atoms
[su_spoiler title=”Answer” open=”no” style=”default” icon=”plus” anchor=”” class=””] (b) conducting nuclear fission [/su_spoiler]



Q10.Which of the following gases is present under
pressure in soft drinks?

(a) Oxygen
(b) Nitrogen
(c) Carbon dioxide
(d) Nitrous oxide
[su_spoiler title=”Answer” open=”no” style=”default” icon=”plus” anchor=”” class=””] (c) Carbon dioxide [/su_spoiler]



Q11.The substance which does not expand on going from
liquid state to solid state is
(a) Water
(b) Castiron
(c) Aluminium
(d) Type metal
[su_spoiler title=”Answer” open=”no” style=”default” icon=”plus” anchor=”” class=””] (d)purification [/su_spoiler]



Q12.heart pacemakers is
(a) Uranium
(b) Deuterium
(c) Plutonium
(d) Radium
[su_spoiler title=”Answer” open=”no” style=”default” icon=”plus” anchor=”” class=””] (d)purification [/su_spoiler]



Q13.The element which is commonly used in nuclear for
producing electricity by nuclear fission is
(a) Radium
(b) Plutonium
(c) Uranium
(d) Deuterium
[su_spoiler title=”Answer” open=”no” style=”default” icon=”plus” anchor=”” class=””] (c) Uranium [/su_spoiler]



Q14.Table salt gets moist during rainy season because
(a) sodium chloride is hygroscopic
(b) sodium chloride is deliquescent
(c) (3 ) sodium chloride contains some quantity of
sodium iodide
(d) sodium chloride contains hygroscopic impurities
like magnesium chloride
[su_spoiler title=”Answer” open=”no” style=”default” icon=”plus” anchor=”” class=””] (d) sodium chloride contains hygroscopic impurities like magnesium chloride [/su_spoiler]



Q15.Which of the following is used as a lubricant in heavy
machines?

(a) Bauxite
(b) Sulphur
(c) Phosphorus
(d) Graphite
[su_spoiler title=”Answer” open=”no” style=”default” icon=”plus” anchor=”” class=””] (d) Graphite [/su_spoiler]


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