Question

write two observations when lead nitrate is heated in a test tube​

Answer 1

Explanation:

when lead nitrate is heated in test tube we can observe two different colors in it.this is because on heating PbNo3 decomposes or breaks into lead oxide which is yellow in colour

Answer 2

PbNO3

Explanation:

This is because heating PbNO3 decomposes into PbO. Which is yellow colour and NO2 is formed which is yellowish brown and O2 gas is evolved