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Chemistry

Chemistry
Slag is a name given for

Molten calcium silicate
Molten sand
Molten alumina
Molten iron

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Chemistry
Which metal is extracted from sea water?

Magnesium
Aluminium
Beryllium
Potassium

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Chemistry
The two metal ions that cause hardness to water are:

Sodium, Calcium
Sodium, Magnesium
Sodium, Potassium
Calcium, Magnesium

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Chemistry
Which of the following pollutants is main product of automobile exhaust ?

CO
NO
Hydrocarbons
CO2

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Chemistry
Which is the purest commercial form of iron ?

Stainless steel
Wrought iron
Pig iron
Steel

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Chemistry
What is Zeolite?

Dehydrated Calcium Sulphate
Hydrated Aluminosilicate
Hydrated Calcium Sulphate
Dehydrated Aluminosilicate

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MORE MCQ ON Chemistry

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