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Chemistry

Chemistry
By which organic compound all the oils are known ?

Protein
Carbohydrate
Hydrocarbon
Ester

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Chemistry
Which one of the following organic compounds has fruity smell?

Ether
Ester
Alcohol
Aldehyde

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Chemistry
The hottest part of the gas flame is known as

blue zone
non-luminous zone
dark zone
luminous zone

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Chemistry
Which one of the following organic compound is used to remove stains of iron compounds?

Phthalic acid
Oxalic acid
Benzoic acid
Cinnamic acid

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Chemistry
Which one of the following metals does not react with water to produce Hydrogen ?

Cadmium
Lithium
Potassium
Sodium

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Chemistry
Catalytic converters are generally made from :

Alkaline metals
Hydrogen
Transition metals
Carbon

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