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Chemistry

Chemistry
Petroleum consists of a mixture of

Hydrocarbons
Carbohydrates
Carbides
Carbonates

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Chemistry
Nitrogen forms a variety of compounds in all oxidation states ranging from

–3 to + 5
–3 to + 6
–3 to + 3
–3 to + 4

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Chemistry
Synthetic detergents are prepared from

Hydrocarbons of petroleum
Glycerides
Potassium salts of higher fatty-acids
Sodium salts of higher fattyacids

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Chemistry
In silvery paints, the main constituent present is

Silver powder
Aluminium powder
Lead powder
White lead

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Chemistry
Copper is refined by

Zone refining
Oxidation
Roasting
Electrolysis

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Chemistry
The temperature of oxy-acetylene flame is around

2800°C
4000°C
3200°C
3600°C

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MORE MCQ ON Chemistry

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