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Question

what happens when:

(i)dil.HCl is added to solid Na2CO3?

(ii)quicklime is treated with water?

(iii)sodium chloride solution is added to lead nitrate solution?


Solution

When quicklime is treated with water calcium oxide reactes with water to form calcium hydroxide also called slaked lime.A lot of heat produces in this reaction.. 3) when sodium chloride is added to lead nitrate solution displacement reaction take place  1) HCL added to Na2Co3 effervescence of Co2 occurs along with formation of sodium chloride and water 

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