Chemical IndustriesEveryday Science
The color of crude oil is
brownish black
white
transparent
light yellow
brownish black
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Vitamin C is soluble inA. fat
B. water
C. ethers
D. phenols
Number of carbon atoms per molecule in kerosene is
A. 1 to 4
B. 5 to 10
C. 8 to 12
D. 10 to 16
The density of air in the atmosphere is
A. uniform
B. not uniform
C. zero
D. none of above
The raw materials for the Solvay process include
A. ammonia
B. brine
C. lime stone
D. all 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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