Chemistry, asked by adpoav, 9 months ago

Can you please help me out

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Answered by RajvanshiC

1

Explanation:

hello mate...

9.. No3 is an oxidising agent...as In NO3 oxidizing no. of N is 6 but in NH4 ..it is 4 ...this means there reduction take place..

H2S is a reducing agent as..in h2s oxidation no. of S is -2 but in Hso4 it is +7....it means oxidation take place..

10. marble is CaCo3...and as we know air contain some acids...Due to pollution ...so it reacts with caco3 .. result in corrosion...

Tum konsi book use kr rhe ho plz .ik bar apni bio m likdo..

Answered by Anonymous

0

Explanation:

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