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Chemistry

Chemistry
Which one among the following is not a mixture?

Brass
Graphite
Steel
Glass

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Chemistry
Diamond is lustrous because

It is pure
It is colourless
It is hard
Its refractive index is high

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Chemistry
Which among the following metals provides amphoteric oxide ?

Sodium
Calcium
Aluminium
Silver

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Chemistry
Baking soda is :

Sodium carbonate
Potassium carbonate
Sodium bicarbonate
Sodium hydroxide

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Chemistry
The luster of a metal is due to

its high polishing
its chemical inertness
its high density
presence of free electrons

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Chemistry
Ethanol containing 5% water is known as

Methylated alcohol
Denatured spirit
Rectified spirit
Power alcohol

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MORE MCQ ON Chemistry

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