Question

give answers
Q6
Q7
Q8
Q9
Q10................................______________________________________please don't Forget ..................................................................tommorow is my exam

Answer 1

please send full question ...the question is incomplete

Answer 2

7 I) the above reaction is displacement reaction as the Zn displaces the copper and
examples are. h2so4+Zn --> znso4 +he
cuso4 +fe --.> feso4 + cu
II)THE LAYER FORMS DUE TO THE LAYER OF ZINC IS FORMED ON THE SURFACE ON THE VESSEL AND TURN GREEN WITH THE PASSAGE OF TIME
8 I) Naoh + HCl ----> nacl +h20
nacl salt is formed
2caco3 + 6hcl --> 3caocl2+ 3h20
3caocl2 formed which is a salt
ll) no the given reaction is not balanced as the oxygen reaction takes place with two bond and the right reaction is
2h2+o2--> 2h2o
9. this question is given in ncert you can check in that
10. as given you the examples of reaction in 7 question the 2 example is the electroplating of copper and diagram is in ncert 1 chapter
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