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Chemistry

Chemistry
The number of neutrons present in an element having mass number 226 and atomic number 88 is :

88
138
50
314

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Chemistry
The compounds formed when hydrogen combines with p-block elements are called

Ionic hydrides
Polynuclear hydrides
Metallic hydrides
Molecular hydrides

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Chemistry
'Vinegar' is a commercial name of

Acetic acid
Hydrochloric acid
Citric acid
Oxalic acid

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Chemistry
The lowest layer of earth's atmosphere is

Troposphere
Stratosphere
Mesosphere
Ionosphere

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Chemistry
The metal chiefly used for galvanising iron is :

Tin
Mercury
Zinc
Cadmium

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

H2
O2
SO2
Cl2

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MORE MCQ ON Chemistry

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