Back to SOME BASIC CONCEPTS OF CHEMISTRY

JEE CHEMISTRY MCQ: SOME BASIC CONCEPTS OF CHEMISTRY

1 Medium

1 of 1

Understanding +4 | -1

Potassium combines with two isotopes of chlorine

\left({ }^{35} {Cl} \text{ and } { }^{37} {Cl}\right)

respectively to form two samples of

{KCl}.

Their formation follows the law of

View answer and explanation

Correct option: A

Constant proportions

Option A (Constant proportions) is correct because the formation of KCl from potassium and either isotope of chlorine always follows the law of constant proportions.

More Questions from SOME BASIC CONCEPTS OF CHEMISTRY

Practice All Chapter MCQs →

If a mixture containing 3 moles of hydrogen and 1 mole of nitrogen is converted completely into ammonia, the ratio of initial and final volumes under the same temperature and pressure would be: How many g are present in one mole of Ag? 8 g of NaOH is dissolved in 18 g of

{H_2}O.

Mole fraction of NaOH in solution and molality (in

mol\,\,k{g^{ - 1}})

of the solution respectively are

2.24 {~L}

{CH}_4

at NTP contains :- One litre of

{CO}_2

is passed through red hot coke. The volume becomes 1.4 litres at same temperature and pressure. The composition of products is How many millilitre of

0.5 \mathrm{M} \mathrm{H}_2 \mathrm{SO}_4

are needed to dissolve

0.5 \mathrm{~g}

\mathrm{Cu}(\mathrm{II})

carbonate?