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Chemistry MCQs

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Question 1207easy

Alcoholic (– OH) group can be identified by :

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Question 1208easy

The mass of one Avogadro number of helium atom is

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Question 1209easy

In its reaction with silver nitrate, C₂H₂ shows

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Question 1210easy

If there is one million Mg²⁺ ions in MgCl_{2_{, how many chloride ions are there?}}

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Question 1211easy

Mark the compound which possess ionic, covalent and coordinate bonds.

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Question 1212easy

Which of the following has pH value 7?

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Question 1213easy

The iron ore magnetite consists of

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Question 1214easy

The main buffer system of the human blood is

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Question 1215easy

When conc. H₂SO₄ is added to dry KNO₃, brown fumes are evolved. These fumes are due to

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