Which of the following is not an amphoteric substance? a) lead(II) oxide b) aluminum hydroxide C) iron(ill) oxide

Question

Which of the following is not an amphoteric substance?
a) lead(II) oxide
b) aluminum hydroxide
C) iron(ill) oxide
d) zinc hydroxide

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Thiên Thanh 6 months 2021-07-15T22:23:25+00:00 1 Answers 18 views 0

Answers ( )

    0
    2021-07-15T22:24:27+00:00

    Answer:

    C

    Explanation:

    Oxides of lead zinc and aluminium are amphoteric whereas iron(III) oxide is basic.

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )