Chemistry, asked by sadhnagoyal, 7 months ago

Question 11. A substance X'is
used in white-washing and is
obtained by heating limestone in
the absence of air. Identify 'X'.
(a) CaCl2
(b) Ca (OH)2
(c) CaO
(d) CaCO3

Answers

Answered by jeelsuchak1512

3

Answer:

caco3

its is not present in air and coundnt react in prsence of air

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