Questions

Find out the incorrect pair.

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5 questions · timed · auto-graded

Question 11 Mark
(a) Orange juice, Tomato juice
(b) Soapy water, Sea water
(c) Water, $H _3 O$
(d) Bleach , Ammonia solution
Answer
(c) Water, $H _3 O$
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Question 21 Mark
(a) $B F_3, B F_2$
(b) $Fe _2, Fe _3$
(c) $CaO , Mg ( OH )_2$
(d) $SiF _4, SF _4$
Answer
(c) $CaO , Mg ( OH )_2$
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Question 41 Mark
(a) $HCl ^{-}, Cl ^{-}$
(b) $H _2 O , H _3 O ^{+}$
(c) $HNO _3, HNO _2$
(d) $H _2 SO _4, HSO _4^{-}$
Answer
(c) $HNO _3, HNO _2$
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Question 51 Mark
(a) $HNO _3, H _2 SO _4$
(b) $Al ( OH )_3, Mg ( OH )_2$
(c) $CH _3 COOH , HCOOH$
(d) $H _2 O , OH ^{-}$
Answer
(d) $H _2 O , OH ^{-}$
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Find out the incorrect pair. - Chemistry STD 12 Questions - Vidyadip