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General Science MCQs

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Question 118hard

In vulcanisation, natural rubber is heated with

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Question 119medium

Deep blue colour is imparted to glass by the presence of

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Question 120easy

Glass is made of the mixture of:

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Question 121medium

The vast resources of unutilised natural gas can be used in the production of

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Question 122hard

Paper is manufactured by

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Question 123hard

Gypsum is added to cement clinker to

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Question 124medium

Soap is a mixture of sodium or potassium salts of

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Question 125hard

The type of glass used in making lenses and prisms is

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Question 126hard

Which one of the following is the petroleum wax?

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