Which gas is used in fire extinguisher...? Mcqs

Latest MCQs

Which gas is used in fire extinguisher...?

(A) Nitrogen
(B) Carbon Dioxide

(C) Oxygen
(D) Nitrogen

Latest MCQs

Vaccination was discovered by...?

(A) Galileo
(B) Edward Jenner

(C) Baird
(D) Roentgen

Latest MCQs

The formula of Quartz is:...?

(A) SiO2
(B) Nacl

(C) SiO4
(D) None of these

Latest MCQs

Which is the hardest among following...?

(A) Radium
(B) Diamond

(C) Graphite
(D) Gold

Latest MCQs

Which is the oldest freezing method:...?

(A) Contact freezing
(B) Flash freezing

(C) Brine freezing
(D) None of these

Latest MCQs

Nitrogen boils at a temperature of:...?

(A) -96 °C
(B) -196 °C

(C) -296 °C
(D) -310 °C

Latest MCQs

The pH of milk is...?

(A) 6
(B) 6 point 7

(C) 7
(D) 7 point 5

Latest MCQs

Which one of the following acid is used in car’s battery...?

(A) Hydrochloric acid
(B) Hydrofluoric acid

(C) Sulfuric acid
(D) Nitric acid

Latest MCQs

The Third Most abundant element is:...?

(A) Oxygen
(B) Silicon

(C) Aluminium
(D) None ofthese

Latest MCQs

Soap and detergents remove the dirt from clothes due to...?

(A) Capillary action
(B) Osmosis

(C) Diffusion
(D) Lowering of interfacial tension

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