1.

Write the balanced chemical equation for the following reactions. Calcium hydroxide + Carbon dioxide to calcium carbonate + water.

Answer»

Solution :To prevent the oxidation of oil and fat present in food items. nitrogen gas is flushed in food packets products formed due to oxidation of oil and fat have unpleasant smell and taste due to rancidity. FLUSHING food items containing .fat and oil with nitrogen PREVENTS rancidity.
B) i) `Ca(OH)_(2(aq))+ CO_(2(g)) to CaCO_(3(s)) + H_2 O_((l))`
ii) `Zn_((s)) - 2AgNO_3 to ZN(NO_3)_(2(aq)) + 2Ag_((s))`
iii) `2Al_((s)) + 2CuCl_(2(aq)) to 2AlCl_(3(aq)) + 3Cu`


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