Q. 8
Identify the type of reaction from the following equation:
(i) CH4 + 2O2 → CO2 + 2H2O (ii) Pb(NO3)2 + 2KI → PbI2 + 2KNO3
(iii) CaO + H2O→ Ca(OH)2 (iv) CuSO4 + Zn → ZnSO4 + Cu
Answer :
(i) CH4 + 2O2 
CO2 + 2H2O
(ii) Pb(NO3)2 + 2KI 
PbI2 + 2KNO3
(iii) CaO + H2O 
Ca(OH)2
(iv) CuSO4 + Zn 
ZnSO4 + Cu
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PREVIOUSWrite the balanced chemical equation for the following reaction and identify the type of reaction and define it.Iron III oxide reacts with Aluminium and gives molten iron and aluminium oxide. (2012)NEXTWhen hydrogen gas is passed over heated copper (II) oxide, copper and steam are formed. Write the balanced chemical equation for this reaction and state(i) the substance oxidised and(ii) the substance reduced in the reaction. (2014)
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