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Chemistry

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

H2
O2
SO2
Cl2

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Chemistry
In which of the following states maximum iron ore is found ?

FeS2
Fe3O4
Fe2O3
FeCO3

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Chemistry
The main constituent of natural gas is

Methane
Propane
Butane
Ethane

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Chemistry
Which of the following is usually not an air-pollutant?

Hydrocarbons
Nitrous oxide
Carbon dioxide
Sulphur dioxide

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Chemistry
Dry powder fire extinguishers contain

Sand and sodium carbonate
Sand and potassium carbonate
Sand and sodium bicarbonate
Sand

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Chemistry
The coloured discharge tubes for advertisement mainly contain

Xenon
Argon
Neon
Helium

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MORE MCQ ON Chemistry

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