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Answer the following questions, relating your answers only to salts in the list given below : Anhydrous calcium chloride, copper sulphate. 5H2O, sodium carbonate. 10-water. 

(i) Which compound is efflorescent ?

(ii) Which compound is blue in colour ?

(iii) Which compound is deliquescent ?

(iv) What would be seen on mixing a solution of calcium chloride with a solution of sodium carbonate ?

(v) Write the balanced equation for the reaction occuring when a solution of calcium chloride is mixed with a solution of sodium carbonate.

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(i) Sodium carbonate. 10-water.

(ii) Copper sulphate. 5H2O.

(iii) Anhydrous calcium chloride.

(iv) A white precipitate of calcium carbonate is seen.

(v)  CaCl2 (aq.) + Na2CO3 (aq.) →  CaCO3 (White ppt) + 2NaCl (aq.)

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