Question

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●•Please give the answer fast●•

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Answer 1

Answer:

a)no2,o2

Explanation:

2pb(no3)2 gives 2pbo + 4no2 + o2 from this no2 and o2 get liberated

Answer 2

Answer:

As zinc is more reactive than copper, it displaces copper from its salt solution and forms zinc sulphate and copper metal gets deposit . Option no c is the right answer