General science Practice Questions & Answers

Decibel is the unit used for:

Decibel is the unit used for:

A).  Speed of light

B).  Intensity of heat

C).  Intensity of sound

D).  Radio wave frequency

Newton is the unit of:

Newton is the unit of:

A).  Force

B).  Momentum

C).  Acceleration due to gravity

D).  Velocity

Washing soda is the common name for

Washing soda is the common name for

A).  Sodium Carbonate

B).  Calcium Bicarbonate

C).  Sodium Bicarbonate

D).  Calcium Carbonate

The gas usually filled in the electric bulb is

The gas usually filled in the electric bulb is

A).  Nitrogen

B).  Hydrogen

C).  Carbon dioxide

D).  Oxygen

Chemical formula for water is

Chemical formula for water is

A).  NaA1O₂

B).  H₂O

C).  Al₂O₃

D).  CaSiO₃

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