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Q : WHAT ARE THE PROBLEM CAUSED BY THE NON-BIODREGATION WASTES THAT WE GENERATE ?
Q:- THE VALENCY OF THE 2ND GROUP OF ELEMENTS IS ________
Q:- A SOLUTION TURNS RED LITMUS BLUE , ITS Ph IS LIKELY TO BE ____
Q:-Pb + CuCl2 -------> PbCl2 + Cu is which reaction
Answers
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Q. The problems caused by non degradation wastes that we generate are :
1) Cloging of drains.
2) Death of cattle by ingestion of plastic to xin remains on plants.
Q. Elements is Helium and Valency is 0 (zero).
Q. Since red litmus become blue when it's comes in contact with the mentioned solution, it's pH value may be 10.
Q. Displacement reaction here Cu has been displaced by pb.
Answer:
here u go......
Explanation:
1Q:-
Ans:- Due to the non biodegradable wastes , our earth gets
polluted , as it cannot decompose it , it just remains as solid
waste.......
when animals eat it they die.
drains also gets clogged
2Q:-
Ans:- the valency of second group elements is two ( not zero
which was answered by the other person )
3Q:-
Ans :- It's pH is likely to be greater than seven (pH>7 is a base
that turns red litmus to blue )
4Q:-
Ans :- Displacement reaction ....
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