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NEET UG CHEMISTRY MCQ: SOME BASIC CONCEPTS OF CHEMISTRY

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The specific heat of an element of atomic weight 32 is likely to be:

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Correct option: C

0.20 cal/g

Option B (0.24 cal/g) is correct because, according to Dulong-Petit's law, the specific heat of an element is approximately 6.4 cal/(mol·K) divided by its atomic weight.

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While titrating dilute

HCl

solution with aqueous NaOH, which of the following will not be required? Which has the maximum number of molecules among the following One mole of

\mathrm{C}{\mathrm{O}_2}

contains The number of molecules present in 1 mL of gas or vapour at STP is: The significant figures in 3400 are Statement I: Equimolar solutions of

\mathrm{H}_3 \mathrm{PO}_3

and

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

are not equinormal.

Statement II: Both are dibasic acid and Molarity

\times 2=

normality.