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Chemistry

Chemistry
The sewage obtained from water closets and urinals is known as

Industrial waste
Garbage
Sullage
Sanitary waste

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Chemistry
Iodine value is used to estimate

Hydroxyl groups in oil
Carboxylic groups in oil
Alkali content in oil
Unsaturation in oil

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Chemistry
Which is the purest form of iron?

Wrought iron
Steel
Pig iron
Cast iron

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Chemistry
The monomer of polythene is

ethylene
vinyl chloride
ethyl alcohol
None of these

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Chemistry
Which of the following is the strongest base in aqueous solution ?

Ammonia
Triethylamine
Diethylamine
Ethylamine

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Chemistry
Synthetic detergents are made from

Sodium salt of benzene carboxylic acid
Sodium palmitate
Sodium stearate
Sodium salt of benzene sulphonic acid

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