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Chemistry

Chemistry
Which is known as carbolic acid?

Phenol
Ethanol
Oxalic acid
Acetic acid

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Chemistry
Conversion of chemical energy into electrical energy occurs in

A battery
Atomic bombs
Dynamo
Electric heaters

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Chemistry
Ozone saves the biosphere by absorbing high energy radiations called ________ .

Ultraviolet rays (UV)
X–rays
Infra-red (IR)
Gamma rays

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Chemistry
Which among the following is a carbohydrate ?

Cane-sugar
Nylon
Turpentine
Hydrogen peroxide

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Chemistry
Molasses a by-product in the manufacture of sugar, is converted into

Paper
Pulp
Alcohol
Fuel

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Chemistry
In sugar solution,

Sugar is solute, water is solvent
Both are solvents
Sugar is solvent, water is solute
Both are solutes

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