General Science - Chemistry MCQs

181. Which among the following is a common salt in Detergents?
[A] Sulphate
[B] Nitrate
[C] Sulphonate
[D] Carbonate

Show Answer

182. Potassium permanganate is used to purify water. Which among the following properties of Potassium permanganate helps in this work?
[A] sterilizing
[B] oxidizing
[C] reducing
[D] leaching

Show Answer

183. What happens to the weight of Iron, when it rusts?
[A] Increases for long time
[B] Decreases then increases
[C] Increases then decreases
[D] Remains the same

Show Answer

184. Lightest and most abundant chemical element, constituting roughly 75 % of the Universe’s elemental mass.
[A] Carbon
[B] Aluminium
[C] Bauxite
[D] Hydrogen

Show Answer

185. A cotton wick dipped in pure honey when ignited with a matchstick will ______?
[A] Burn Consistently
[B] Burn with cracking sound
[C] Does not burn at all
[D] Burns with too much smoke

Show Answer

186. The easily noticed smell of the LPG gas is because of which among the following?
[A] Butane
[B] Propane
[C] Methane
[D] Ethanethiol

Show Answer

187. Which compound of mercury is used as antiseptic?
[A] Mercuric sulphide
[B] Mercuric oxide
[C] Mercuric chloride
[D] Mercuric iodide

Show Answer

188. Speed of sound is maximum in which among the following?
[A] Solids
[B] liquids
[C] Gases
[D] Vaccum

Show Answer

189. Which among the following metal is highest electrical conductivity as well as highest thermal conductivity?
[A] Gold
[B] Silver
[C] Platinum
[D] Iron

Show Answer

190. Calamine is an ore of which among the following?
[A] Zinc
[B] Copper
[C] Mercury
[D] Iron

Show Answer

0000-00-00

Advertisement

Kindly help us to keep GKToday updated and error free. Use this form to report error or outdated information in questions. We shall rectify asap...