Online Practice Sets For Railway RRB Group D Exam | General Science Quiz Set - 1

1.

A mixture of iron filings and sand can be separated by:

   A.) Heating
   B.) Sublimation
   C.) Hand picking
   D.) Magnetic Separation

Answer: Option 'D'

Magnetic Separation

2.

A solution of zinc chloride cannot be stored in a vessel made of?

   A.) Silver
   B.) Lead
   C.) Gold
   D.) Aluminium

Answer: Option 'A'

Silver

3.

A mixture of water and alcohol can be separated by

   A.) Decantation
   B.) Distillation
   C.) Filtration
   D.) Evaporation

Answer: Option 'B'

Distillation

4.

A real gas can act as an ideal gas in

   A.) low pressure and low temperature
   B.) high pressure and low temperature
   C.) low pressure and high temperature
   D.) high pressure and high temperature

Answer: Option 'C'

low pressure and high temperature

5.

A plant with compound leaves

   A.) Hibiscus
   B.) Coconut Palm
   C.) Papaya
   D.) Peepal

Answer: Option 'B'

​Coconut Palm

6.

A compound used in medicine as a pain killer is

   A.) Ethyl alcohol
   B.) Aspirin
   C.) Urotropine
   D.) Chloroform

Answer: Option 'B'

​Aspirin

7.

A double convex air bubble in water would behave as a 

   A.) Convergent lens
   B.) Divergent lens
   C.) Both as convergent and divergent lenses
   D.) None of these

Answer: Option 'B'

Divergent lens

8.

A light ray travelling from denser to rarer medium at an angle of incidence more than critical angle of concerned media pair suffers

   A.) reflection
   B.) refraction
   C.) diffraction
   D.) total internal reflection

Answer: Option 'D'

total internal reflection

9.

A solid cannot change its shape easily compared to liquid because of

   A.) higher density of solid
   B.) bigger molecular size of solid
   C.) stronger intermolecular force in solid
   D.) larger intermolecualr seperation in solid

Answer: Option 'C'

stronger intermolecular force in solid

10.

A substance which changes readily into vapour without heating is called

   A.) Effervescent
   B.) Efflorescent
   C.) Synthetic
   D.) Volatile

Answer: Option 'D'

Volatile

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