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Chemistry

Chemistry
Which of the following is biodegradable ?

Plastic
D.T.
Aluminium
Paper

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Chemistry
Most commonly used bleaching agent is

Sodium chloride
Chlorine
Carbon dioxide
Alcohol

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Chemistry
Which of the following is the major constituent of LPG?

Propane
Ethane
Butane
Methane

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Chemistry
Two elements which can form a large number of compounds are

Carbon and Hydrogen
Carbon and Oxygen
Carbon and Nitrogen
Carbon and Sulphur

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Chemistry
Which of the following substance's smell is similar to Ethanoic acid?

Lemon
Vinegar
Tomato juice
Kerosene

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Chemistry
Which one of the following statements is not correct? Vulcanisation of rubber makes it

Chemical resistant
Strong and hard
Withstand higher temperatures
Soft and flexible

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