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Chemistry

Chemistry
Which of the following is an iron ore ?

Nitrite
Magnetite
Bauxite
Lignite

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Chemistry
The element used for making solar cells is

Sodium
Calcium
Magnesium
Silicon

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Chemistry
The pair of compounds used as anaesthetic in medicines :

Ether, Ammonia
Chloroform, Nitrogen dioxide
Nitrogen dioxide, ether
Nitrous oxide, Chloroform

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Chemistry
Which among the following is a covalent compound ?

Sodium chloride
Calcium chloride
Magnesium fluoride
Carbon tetrachloride

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Chemistry
The orientation of an atomic orbital is governed by

Spin quantum number
Azimuthal quantum number
Magnetic quantum number
Principal quantum number

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Chemistry
Atoms having the same number of protons but different number of neutrons are called :

Cations
Higgs-boson
Isotopes
Anions

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MORE MCQ ON Chemistry

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