Question

Action of heat on the following Compound:-
1) Copper Carbonate, Zinc Carbonate.
2) Washing Soda, Copper Sulphate Crystals.
3)Zinc Nitrate, Copper Nitrate, Lead Nitrate.
4) Ammonium Chloride, Iodine, Ammonium Dry Picramate.Its my chemistry project.



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Answer 1

Explanation:

(i) Zinc carbonate form yellow powder when hot and white powder when cooled down.

(ii) Lead carbonate form yellow residue on cooling.

(iii) Copper carbonate form black residue on cooling.

Answer 2

$\huge{ \underline{\boxed{\red{ \color{red}{\textsf {\textbf{An}{\color{blue}{\textbf {\textsf{sw}}{\color{green}{\textbf{\textsf{er}}}{\color{orange}{\textsf{\textbf{~:-}}}}}}}}}}}}} \:$

Aim of the experiment : To heat the given unknown substance make observation , identify products and make deduction wherever possible the given substance may be

• copper carbonate
• zinc carbonate
• washing soda
• copper sulphate crystals
• zinc nitrate
• copper nitrate
• Lead Nitrate
• ammonium chloride
• iodine or
• ammonium dichromate .

Aparatus and Chemicals : Test tube , test tube holder , bunsen burner , unknown substance.

Procedure : Take a clean and dry test tube . Take a small amount of the given substance in the test tube hold, The test tube with the help of a test tube holder in a slanting position over the flame of a bunsen burner heated gently and then heated strongly note the changes taking place in the substance make two observations according to the observation table given below.

$\colorbox{pink}{Observation Table is in attachment } \:$

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➠Glad to help u.