Answer:
Metal hydroxide on heating forms metal oxide and water vapour — Calcium hydroxide
Ca(OH)2 \xrightarrow{\Delta}
Δ
CaO + H2O
(b) Metal hydroxide on heating forms metal, oxygen and water vapours — silver hydroxide
4AgOH \xrightarrow{\Delta}
4Ag + O2 + 2H2O
(c) Metal nitrate decomposes to give two products only — potassium nitrate
2KNO3 \xrightarrow{\Delta}
2KNO2 + O2 ↑
(d) Metal nitrate on heating forms metal oxide, nitrogen dioxide and oxygen — Lead nitrate
2Pb(NO3)2 \xrightarrow{\Delta}
2PbO + 4NO2 + O2 ↑
(e) Metal nitrate on heating forms metal, nitrogen dioxide and oxygen — Silver nitrate
2AgNO3 \xrightarrow{\Delta}
2Ag + 2NO2 + O2 ↑
(f) Metal carbonate which is stable to heat — Potassium carbonate
Potassium carbonate is stable to heat
(g) Metal carbonate which forms metal oxide and carbon dioxide on heating — Magnesium carbonate
MgCO3 \xrightarrow{\Delta}
MgO + CO2 ↑
(h) The heating effect on bivalent metal hydrogen carbonate — Magnesium bicarbonate
Mg(HCO3)2 \xrightarrow{\Delta}
MgCO3 + H2O + CO2 ↑
Explanation:
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Answers & Comments
Answer:
Metal hydroxide on heating forms metal oxide and water vapour — Calcium hydroxide
Ca(OH)2 \xrightarrow{\Delta}
Δ
CaO + H2O
(b) Metal hydroxide on heating forms metal, oxygen and water vapours — silver hydroxide
4AgOH \xrightarrow{\Delta}
Δ
4Ag + O2 + 2H2O
(c) Metal nitrate decomposes to give two products only — potassium nitrate
2KNO3 \xrightarrow{\Delta}
Δ
2KNO2 + O2 ↑
(d) Metal nitrate on heating forms metal oxide, nitrogen dioxide and oxygen — Lead nitrate
2Pb(NO3)2 \xrightarrow{\Delta}
Δ
2PbO + 4NO2 + O2 ↑
(e) Metal nitrate on heating forms metal, nitrogen dioxide and oxygen — Silver nitrate
2AgNO3 \xrightarrow{\Delta}
Δ
2Ag + 2NO2 + O2 ↑
(f) Metal carbonate which is stable to heat — Potassium carbonate
Potassium carbonate is stable to heat
(g) Metal carbonate which forms metal oxide and carbon dioxide on heating — Magnesium carbonate
MgCO3 \xrightarrow{\Delta}
Δ
MgO + CO2 ↑
(h) The heating effect on bivalent metal hydrogen carbonate — Magnesium bicarbonate
Mg(HCO3)2 \xrightarrow{\Delta}
Δ
MgCO3 + H2O + CO2 ↑
Explanation:
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