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Chemistry

Chemistry
The gas used for artificial fruit ripening of green fruit is

Ethane
Methane
Ethylene
Acetylene

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Chemistry
Which of the following is used as non-stick coating for cooking utensils?

Perspex
Styrofoam
Polystyrene
Teflon

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Chemistry
Spontaneous change is one in there is:

A lowering of free energy
A lowering of entropy
Increase in free energy
An increase in Internal energy

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Chemistry
Of the following commonly used materials, the one that is not an alloy is

Copper
Brass
Steel
Bronze

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Chemistry
Which of the following metals is used in Space Crafts to withstand high temperatures ?

Ni
Fe
Ti
Pb

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Chemistry
Aluminium can be purified by

Ozonolysis
Oxidation
Distillation
Electrolysis

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MORE MCQ ON Chemistry

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