ICSE Class 10 Chemistry 2013 Solved Paper

State two relevant observations for each of the following :

Question : 51 of 84

Marks: +1, -0

Lead nitrate crystals are heated in a hard glass test tube.

Solution:

(a) Reddish brown gas is evolved.
(b) Colourless, odourless gas evolved which rekindles a glowing splinter.

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