Chemistry, asked by gottamakhil123, 6 hours ago

Which chemical is used in the preparation of oxygen gas? a)Nacl. b)CaCo3. c)Kcl. d)NaHCo3.

Answers

Answered by sharmaritudelhi

1

Answer:

(B)CaCo3.

Explanation:

hope its helpful

Answered by singhatarun799

1

Answer:

kcl

Explanation:

ttttttttttttttttttttttttttttttttttttt

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