Elements and SubstancesEveryday Science
The property of metal by which it can be drawn into wires is called
Ductility
Decorating
Malleability
Conductivity
Ductility
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Vitamin C is soluble inA. fat
B. water
C. ethers
D. phenols
Which one of the following does not react with acids?
A. O
B. Cr
C. Cu
D. Ni
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
A human breath per minute is
A. 16-30 times
B. 16-20 times
C. 15-20 times
D. 15-18 times
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