Everyday SciencePhysics
Cryogenics is
a type of tank
study of materials and phenomena at low temperature
study of radioactive elements
none of the above
study of materials and phenomena at low temperature
Cryogenics is the science that addresses the production and effects of very low temperatures. The word originates from the Greek words kryos meaning “frost” and genic meaning “to produce.”
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B. water
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D. phenols
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
Symbol of Copper is
A. Ca
B. Cl
C. Co
D. Cu
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