Question

What are (P), (Q), (R) and (S)?

	P			Q	R			S
(A)	$Be(NO_{3})_{2}$			BeO	$BeCO_{3}$			$BeCrO_{4}$
(B)	$NaNO_{3}$			$Na_{2}O$	$Na_{2}CO_{3}$			$Na_{2}CrO_{4}$
(C)	$Ba(NO_{3})_{2}$			BaO	$BaCO_{3}$			$BaCrO_{4}$
(D)	$KNO_{3}$			$K_{2}O$	$K_{2}CO_{3}$			$K_{2}CrO_{4}$

• A. (P) $Ba(NO_{3})_{2}$
• A. (Q) $BeO$
• A. (R) $NaNO_{3}$
• A. (S) $Na_{2}CO_{3}$(2) $BeCrO_{4}$

Answer 1

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