shubham230675
6.When potassium iodide reacts with lead nitrate forms lead iodide and potassium nitrate with yellow precipate. Pb(NO3)2 + 2KI = PbI2 + 2 KNO3 This is an example of double displacement or precipitation reaction.
7. Hydrogen gas is used in the hydrogenation of ghee. Test - It can be checked by Burning Splint Test.
Insert a lighted splint into the test tube. The lighted splint should burn with a pop sound. The pop sound tells that there is presence if hydrogen.
Answers & Comments
Pb(NO3)2 + 2KI = PbI2 + 2 KNO3
This is an example of double displacement or precipitation reaction.
7. Hydrogen gas is used in the hydrogenation of ghee.
Test -
It can be checked by Burning Splint Test.
Insert a lighted splint into the test tube. The lighted splint should burn with a pop sound. The pop sound tells that there is presence if hydrogen.
Answer:
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