Question

21.Which one of the following does not react with acids?

(1 Point)

a. Cu

b. Ni

c. Cr

d. O

17.Which metal is present in Calcium Hydroxide?

(1 Point)

a. C

b. O

c. Ca

d. H




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Answer 1

Answer:

1 ni

2 c

Explanation:

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Answer 2

Q21. d) O

Q17. c) Ca

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