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Some Basic Concepts of Chemistry question

2024 · 31 Jan · Shift 2 · Q20

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JEE Main
Chemistry
Some Basic Concepts of Chemistry
2024 · 31 Jan · Shift 2 · Q20

Some Basic Concepts of Chemistry question

2024 · 31 Jan · Shift 2 · Q20

JEE MainChemistrySome Basic Concepts of ChemistryMCQ+4 / −1

A sample of

\mathrm{CaCO}_3

and

\mathrm{MgCO}_3

weighed

2.21 \mathrm{~g}

is ignited to constant weight of

1.152 \mathrm{~g}

. The composition of mixture is : (Given molar mass in

\mathrm{g} \mathrm{~mol}^{-1} \mathrm{CaCO}_3: 100, \mathrm{MgCO}_3: 84

)

A
$1.187 \mathrm{~g} \mathrm{~CaCO}_3+1.187 \mathrm{~g} \mathrm{~MgCO}_3$
B
$1.187 \mathrm{~g} \mathrm{~CaCO}_3+1.023 \mathrm{~g} \mathrm{~MgCO}_3$
C
$1.023 \mathrm{~g} \mathrm{~CaCO}_3+1.187 \mathrm{~g} \mathrm{~MgCO}_3$
D
$1.023 \mathrm{~g} \mathrm{~CaCO}_3+1.023 \mathrm{~g} \mathrm{~MgCO}_3$

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