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Question

Match the following:
  Column A Column B
1. A substance that turns moist starch
iodide paper blue.
A. Ammonium sulphate
2. A compound which releases a reddish
brown gas on reaction with concentrated
sulphuric acid and copper turnings.
B. Lead carbonate
3. A solution of this compound gives a dirty
green precipitate with sodium hydroxide.
C. Chlorine
4. A compound which on heating with sodium
hydroxide produces a gas which forms dense
white fumes with hydrogen chloride.
D. Copper nitrate
5. A white solid which gives a yellow residue
on heating.
E. Ferrous sulphate.


Solution

1. A substance that turns moist starch iodide paper blue C. Chlorine 
2. A compound that releases a reddish-brown gas after reacting with concentrated sulphuric acid and copper turnings D. Copper nitrate 
3. A solution of this compound gives a dirty-green precipitate with sodium hydroxide E. Ferrous sulphate
4. A compound that on heating with sodium
hydroxide produces a gas which forms dense
white fumes with hydrogen chloride
A. Ammonium sulphate
5. A white solid which gives a yellow residue
on heating
B. Lead carbonate

Chemistry
Frank Chemistry - II
Standard X

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