140.
The father of periodic table is ______
Ans: Mendeleev
141. ______ is known as laughing gas.
Ans: Nitrous Oxide
142. Dry Ice is _______
Ans: Solid Carbon dioxide
143.
The most common element in the universe is _______
Ans: Hydrogen
144.
The metal which regulates blood pressure in human beings is ______
Ans: Sodium
145.
The natural element having highest atomic weight is _________
Ans: Uranium
146.
The lightest and simplest element (gas) is _______
Ans: Hydrogen
147.
________ are chemicals that can be applied to living tissues to destroy micro or ganism.
Ans: Antiseptics
148.
W ater gas is a mixture of carbon monoxide and ________
Ans: Hydrogen
149.
Ferrous Sulphate crystals are known as _______
Ans: Green V itriol
150.
_______ are the chemicals used to bring down body temperature.
Ans: Antipyretics
151.
________ is known as Bathing Salt.
Ans: Sodium Carbonate
152.
Coral reefs are made of _______
Ans: Calcium Carbonate
153.
Rat poison is _______
Ans: Zinc Phosphide
154.
________ is used to make artificial rain.
Ans: Silver iodide
155.
_______ are chemicals used as medicine for mental disorderness.
Ans: T ranquilizers
156.
_______ is referred as wonder metal.
Ans: Titanium
PSC GENERAL SCIENCE QUESTIONS AND ANSWERS
11. MATHS (SOLVED IN STEPS) => HCF & LCM <> PROFIT AND LOSS <> PROBLEMS ON TRAINS <> Problems on Age <> Problems on Average
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