Question

(i) Write two observations when lead nitrate is heated in a test tube.
(ii) Name the type of reaction.
(iii) Write a balanced chemical equation to represent the above reaction.
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Answer 1

Answer:

(i) Observations when lead nitrate is heated in a test tube : - A reddish brown gas is produced which is actually nitrogen dioxide or NO2. - Colourless lead nitrate becomes yellowish lead oxide or PbO.

(ii) Heating the lead nitrate is a thermal decomposition chemical reaction.

(iii) 2pb(no3)2-----heat----------2pbo(s)+4no2(g)+O2(g)

Answer 2

Answer:

1st answer given in attached picture

2nd=Thermal Decomposition

3rd=attached picture

Explanation:

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