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Chemistry

Chemistry
Quartz is made of

Calcium Silicate
Sodium Sulphate
Sodium Silicate
Calcium Sulphate

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Chemistry
Among the following iron ores, the highest percentage of iron content is found in–

Magnetite
Haemetite
Limnonite
None of these

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Chemistry
Nitrification is the biological process of converting

Ammonia into nitrite
N2into nitrite
Ammonia into N2
N2 into nitrate

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Chemistry
Which gas is used for converting vegetable oils into saturated fats ?

Cl2
H2
SO2
O2

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Chemistry
Silicon is used in

Transistors
Semiconductors
Solar energy devices
All of these

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Chemistry
The reaction intermediate formed during the preparation of diethylether from ethanol by treatment with H2SO4 is

Carbocation
Carbene
Carbanion
Free radical

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MORE MCQ ON Chemistry

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