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Chemistry

Chemistry
The chief constituent of vinegar is

Salycylic acid
Oxalic acid
Formic acid
Acetic acid

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Chemistry
The common name for the compound having formal NaOH is

Soda ash
Caustic potash
Caustic soda
Sodium hydroxide

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Chemistry
The unit of ionic product of water (Kw) is :

Mol2 let-2
Mol-1 let-1
Mol-1 let-2
Mol2 let-1

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Chemistry
The National Chemical Laboratory is situated in

Patna
Bangalore
New Delhi
Pune

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Chemistry
Forth floatation process to concentrate the minerals is applicable to

Haematite
Bauxite
Chalcopyrites
Calamine

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Chemistry
An electric iron has a heating element made of :

Tungsten
Zinc
Copper
Nichrome

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MORE MCQ ON Chemistry

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