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CHEMISTRY

Chemistry
Which among the following is pure matter ?

Brass
Iron
Carbon–dioxide
Air

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Chemistry
The National Chemical Laboratory (India) is located in

Hyderabad
Bangaluru
Pune
Mumbai

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Chemistry
Who is known as the 'father of modern chemistry'

John Dalton
Antoine Lavoisier
Democritus
Robert Boyle

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Chemistry
Spirit in contact with body gives cool sensation because it is :

Liquid
Transparent
Highly volatile
A good conductor

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Chemistry
Which one is a sublime substance?

Table salt
Sugar
Potassium Iodide
Iodine

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