Questions

Find out the correct pair.

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5 questions · timed · auto-graded

Question 11 Mark
(a) $NH _4 OH + NaOH$
(b) $NaOH + NaCl$
(c) $CH _3 COOH + CH _3 COONa$
(d) $CH _3 COOH + CH _3 COONH _4$
Answer
(c) $CH _3 COOH + CH _3 COONa$
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Question 21 Mark
(a) Orange, Black coffee
(b) Baking soda,, Water
(c) Ammonia, Stomach acid
(d) Bleach , Tomato
Answer
(a) Orange , Black coffee
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Question 31 Mark
(a) $H _3 O _{+}, HCl$
(b) $HSO _4 NO _2$
(c) $HNO _2, H _2$
(d) $HCl ^{-} Cl ^{-}$
Answer
(d) $HCl ^{-} Cl ^{-}$
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Question 41 Mark
(a) $BF _3, NH _4^{+}$
(b) $CH _2^{-}, CH _3^{+}$
(c) $Fe ^{2+}, Fe ^{3+}$
(d) $\left( CH _3\right) 3 C ^{+}, CH _2= CH _2$
Answer
(c) $Fe ^{2+}, Fe ^{3+}$
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Question 51 Mark
(a) $HNO _3, Ba ( OH )_2$
(b) $CH _3 COOH , HCl$
(c) $H _3 O ^{+}, Cl ^{-}$
(d) $HCl + H _2 SO _4$
Answer
(d) $HCl + H _2 SO _4$.
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Find out the correct pair. - Chemistry STD 12 Questions - Vidyadip