a black colour substance X is hard and porous when it is burnt in the presence of air it produces against why which turns limewater milky name X and Y and the equations involved.
chapter coal and petroleum
UnknownDude:
X is charcoal
Y is carbon dioxide
Ok
and equation
??
C + O2 gives CO2 + heat
It is science for that no amy equation
No sanin, you're wrong, your answer is getting deleted
CO2 + Ca(OH)2 gives CaCO3 + H2O
Answers
Answered by
19
X is coal
Y is carbondioxide
C + O2 = CO2
Y is carbondioxide
C + O2 = CO2
Answered by
3
A black colour substance coal is hard and porous when it is burnt in the presence of air it produces against why which turns lime-water milky name coal and carbon dioxide and the equations involved .
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