Question

tivity
3.1
1.25 g
2.07 g
Take one of the following sets, X and Y
of chemicals-
Х
Y
(i) copper sulphate sodium carbonate
1.43 g
(ii) barium chloride sodium sulphate
1.22 g
1.53 g
(iii) lead nitrate sodium chloride
1.17 g
Prepare separately a 5% solution of
any one pair of substances listed
under X and Y each in 10 mL in water.
Take a little amount of solution of Y in
a conical flask and some solution of
X in an ignition tube.
Hang the ignition tube in the flask
carefully; see that the solutions do not
get mixed. Put a cork on the flask
(see Fig. 3.1).
Cork
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Answer 1

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