Question

A white colour substance A on heating decomposes to a yellow substance B and 2 gases C and D. C is reddish brown in colour and the gas D helps in combustion. Identify A, B, C, D.

Answer 1

hey mate this white colour substance is lead nitrate pb(no3)2

so a) pb(no3)2

b) pbo (lead oxide)

c) no2(nitrogen dioxide)

d) o2(oxygen )

and the reaction is 2Pb(NO₃)₂ → 2PbO + 4NO₂ + O₂

hope this helps !!

# Himanshu Jha ♥

Answer 2

Answer:

Explanation:

Here is the answer. Hope it helps you