Everyday ScienceTransfer of Heat
Poor conductors of heat are
liquids only
gases only
metals
liquids and gases
liquids and gases
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Vitamin C is soluble inA. fat
B. water
C. ethers
D. phenols
Like light rays, heat radiations also obey
A. law of friction
B. law of reflection
C. law of motion
D. law of refraction
The thermal conductivity of plastic foam is
A. 0.05
B. 0.03
C. 0.02
D. 0.06
The density of air in the atmosphere is
A. uniform
B. not uniform
C. zero
D. none of above
In the body, the weight of blood is about
A. 1/12th of body
B. 1/5th of body
C. 1/8th of body
D. 1/4th of body
Which substance is present in fuel?
A. Iron
B. Gold
C. Carbon
D. Copper
The energy stored in coal is
A. kinetic energy
B. potential energy
C. chemical energy
D. nuclear energy
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