Answer Q.8 as fast as possible
I will mark brainliest to the best answer
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Answer Q.8 as fast as possible
I will mark brainliest to the best answer
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compound A Calcium carbonate (CaCO3)
colourless gas B CO2
CaCO3+H2SO4------> CaSO4 +CO2 +H2O
compound X copper Cu
compound Y CuO
2Cu+O2---->2CuO
B is carbon dioxide ( CO2)
CaCO3 + H2SO4 → CaSO4 + CO2 + H2O
Ca(OH)2 + CO2 → CaCO3 + H2O
b) i) X is copper
Y is copper oxide
ii) 2 processes are :
oxidation nd reduction
iii) 2Cu + O2 → 2CuO
CuO + H2 → Cu + H2O
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hope this helps!!!