Question

25
25
25
49
?
36
100
5.
25
25
6
19
4 ) 25
81
100
6.
16
25
36
25
(D) 5
(A) 2
(B) 3
(C) 4​

Answer 1

Answer:

Given that lead nitrate, having chemical formula Pb(NO3)2 is heated in a test tube. The two observations of this chemical reaction are: (i) When lead nitrate is heated, it decomposes into lead oxide (PbO), nitrogen dioxide (NO2), and oxygen gas (O2). The type of this reaction is thermal decomposition reaction.

Answer 2

Answer:

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