Question

Q.21. a) A non-metal A is an important constituent of our food and forms two oxides B & C. Oxide B is toxic

whereas C causes global warming. Identify A,B & C. (1.5)

b) Write the composition of following alloy (1.5)

i) Bronze ii) Solder iii) Stainless Steel

c) A green colour salt on heating decomposes to produce a colourless suffocating gas and leaves

behind a reddish brown residue. Name the salt and write its reaction.​

Answer 1

Answer:

1st is toxic

2nd is stainless stell

3rd due to rust around it

Explanation:

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