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Each question contains STATEMENT-1 (Assertion) and STATEMENT-2 (Reason).
Examine the statements carefully and mark the correct answer according to the instructions given below :
\( P \)
(A) If both the statements are TRUE and STATEMENT-2 is the correct explanation of W. STATEMENT-1
(B) If both the statements are TRUE but STATEMENT-2 is NOT the correct explanation of STATEMENT-1
(C) If STATEMENT-1 is TRUE and STATEMENT-2 is FALSE
(D) If STATEMENT-1 is FALSE and STATEMENT-2 is TRUE
STATEMENT-1 : In the titration of \( \mathrm{Na}_{2} \mathrm{CO}_{3} \) with \( \mathrm{HCl} \) using methyl orange indicator, the volume of the acid required at the equivalence point is twice that of the STATEMENT-2 : acid required using phenolphthalein as indicator.

Two moles of \( \mathrm{HCl} \) are required for the complete neutralisation of one mole of \( \mathrm{Na}_{2} \mathrm{CO}_{3} \).
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