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Chemistry-

General

Easy

Question

Which represent percent by strength-

$\frac{Wt. of solute}{Wt. of solution} \times 100$
$\frac{Wt. of solute}{Volume of solution} \times 100$
$\frac{Volume of solute}{Volume of solution} \times 100$
Allofthem

The correct answer is: $fraction numerator text Wt. of solute end text over denominator text Volume of solution end text end fraction cross times 100$

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Six faces of a balanced die are numbered from integers 1 to 6 This die is tossed 60 times and the frequency distribution of the integers obtained is given below Then the mean of the grouped data is

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If 5 is added to each and every item of a data, then the A.M is

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Assertion: DH is positive for endothermic reactions.
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chemistry-General

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Reason: During is other mal process Hand E both remains constant.

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parallel

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