Category Archives: Everyday Science MCQs

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Nuclear energy when expanded converts

A. Proton into neutrons
B. Chemical into heat
C. Nuclear into thermal
D. None of these

When the object moves with the speed of light its mass would be ___

A. Zero
B. Doubles
C. Remains same
D. Infinity

Electron was discovered-by?

A. J.J Thomson
B. Ruther Ford
C. Goldstein
D. None of these

The most abundant metal found in earth crust ___

A. Oxygen
B. Aluminum
C. Iron
D. Silicon

What is the S.I. unit of temperature?

A. Kelvin
B. Centigrade
C. Fahrenheit
D. None of these

Which mirror is used in headlight of cars?

A. Concave
B. Convex
C. Plain
D. None of these

Which of the following gas is used for cooling in refrigerators?

A. Chlorofluorocarbon
B. Nitrogen
C. Helium
D. None of these

Nitrogenous wastes excreted-through urine in humans is?

A. Ammonia
B. Uric Acid
C. Urea
D. None of these

The escape of water molecules from surface is called?

A. Sublimation
B. Evaporation
C. Condensation
D. None of these

Kidney stones is caused due to?

A. Sulfur dioxide
B. Calcium Oxalate
C. Aluminum oxide
D. None of these