Chemistry, asked by varsha78055, 10 months ago

Pls help me with these qstns

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Answered by sagayrajsagaya

0

Answer:

First mark as brainliest and then I will say in message bcus my mom is science teacher

Answered by Astha741

1

ANSWER:

(1) chemical change

(2) reactants

(3)1,1,1

(4) all the above

(5)2Pb(NO3)2 «→» 2PbO + 4NO2 + O2

2+2+4 = 8

(6) law of conservation of mass

(7). (b)

please mark me as BRAINLIST

hope you got it

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