Question

A substance X is a metal with low reactivity. When X is heated strongly it converts into an oxide with black layer outside.

a) Identify X
b) What is the formula of it's oxide
c) Write the equation involved in the above reaction​

Answer 1

Answer:

1) Copper

2) CuO

3) 2Cu+O2-------->2CuO. ( reaction takes place at 300 to 800 degree celsius)

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Answer 2

Answer:

a) X is silver (Ag).

b) AgO (Silver Oxide)

c) $4Ag + O_{2}$ → $2Ag_{2}O$

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