Which of the following is also called Marsh Gas?
(A) Propane
(B) Ethane
(C) Methane
(D) Butane
Which element is used as timekeeper in the atomic clocks?
(A) Potassium
(B) Magnesium
(C) Cesium
(D) Vanadium
Kidney Stones are composed of_____?
(A) Calcium Oxalate
(B) Potassium Chloride
(C) Aluminium Nitrate
(D) Sodium Bicarbonate
In nuclear reactors, graphite is used as a____?
(A) Lubricant
(B) Fuel
(C) Moderator
(D) All of the above
Which Chemical compound is called Pearl Ash?
(A) Potassium Chloride
(B) Potassium Bromide
(C) Potassium Sulphate
(D) Potassium Carbonate
What is the chemical name of Chalk?
(A) Calcium Sulphate
(B) Calcium Nitrate
(C) Calcium Phosphide
(D) Calcium Carbonate
Cadmium pollution is associated with ____?
(A) Minamata Disease
(B) Black Foot Disease
(C) Dyslexia
(D) Itai-Itai
Minamata disease is a nervous disorder caused by eating fish polluted by ____?
(A) Magnesium
(B) Lead
(C) Mercury
(D) Nickel
Waves which do not require any material medium for their propagation are____?
(A) Matter Waves
(B) Mechanical Waves
(C) Elastic Waves
(D) Electromagnetic Waves
What is the SI unit of Young’s Modulus of Elasticity?
(A) Ohm
(B) Henry
(C) Pascal
(D) Hertz
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