Question

my question is attached...

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Answer 1

Answer:

Below

Explanation:

PbCO3 ----> PbO + CO. 2

Pb(NO3)2 ----------> PbO + NO2 + NO3

2 Cr 2 O 7 → 3 Cr 2 O 3 + 2N 2 + 2NH 3 + 3 2 O 2 + 9H 2 O

2 HgO ( s ) → 2 Hg ( l ) + O 2 ( g )

Ca(OH)2 ----> CaO + H20

some are balanced as i had them written

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Answer 2

1. Lead carbonate - PbCO3 = PbO + CO2

2.Lead nitrate- 2PbO + 4NO2 + O.

3. Ammonium Dichromate - N2 + Cr2O3 + 4H2O.

4. Mercury Oxide - 2HgO. 2Hg + O. 2

5.Calcium Hydroxide - CaO + H2O.

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