Nail polish remover contains___________?
Nail polish remover contains___________?
A. Acetone
B. Benzene
C. Acetic acid
D. Petroleum ether
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Which gas is used for artificial ripening of green fruit ?A. Carbon dioxide
B. Acetylene
C. Ethane
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Bones Ash contain?
Bones Ash contain?A. calcium sulphate
B. phosphoric sulphate
C. Calcium sulphate
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B. Rayon
C. Cotton
D. TeryleneWhat prevents the earth’s atmosphere from drifting away into space?
What prevents the earth’s atmosphere from drifting away into space?A. Gravity
B. Ozone layer
C. Troposphere
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Which of the following in the human body is affected by leukemia?A. Blood
B. Lungs
C. Eyes
D. NervesOne of the following ways of expressing the concentration of a solution does not depend on temperature. It is__________?
One of the following ways of expressing the concentration of a solution does not depend on temperature. It is__________?
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B. Molality
C. Normality
D. Formality