MHT-CET

Some Basic Concepts of Ch question bank (Chemistry)

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Q1.

What is the number of moles of Cl atoms present in n moles of tear gas and in n moles of mustard gas respectively?

(A)

$2n$ and $3n$

(B)

$3n$ and $2n$

(C)

$n$ and $3n$

(D)

$n$ and $2n$

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Q2.

Find the mass of lime obtained by heating 500 g of $90\%$ pure lime stone. [Molar masses $\text{Ca}=40$ g/mol, $\text{O}=16$ g/mol $\&$ $\text{C}=12$ g/mol]

(A)

$252$ g

(B)

$280$ g

(C)

$265$ g

(D)

$230$ g

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