Label the dry cell in the correct order.
A (i) Carbon and Manganese dioxide mixture, (ii) Carbon rod, (iii) Ammonium chloride
B (i) Carbon rod, (ii) Ammonium chloride, (iii) Zinc container
C (i) Ammonium chloride, (ii) Zinc container, (iii) Carbon rod
D (i) Zinc container, (ii) Carbon rod, (iii) Carbon and Manganese dioxide mixture
The correct answer is C as the part labeled (i) is ammonium chloride, (ii) is zinc container and (iii) is carbon rod.
Ans 3:
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Class : Class 3
All answers are wrong - even 'D' and 'C'. 'C' would, however, be right if the line for '(ii)' was a little shorter.
Ans 9:
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Class : Class 10
c is the only correct ans because in a zinc carbon dry cell zinc container is the negative terminal of the cell and carbon is the positive terminal of the cell and we need a electrolyte to convert chemical energy into electrical energy i.e. ammonium chloride.
Ans 12:
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Ans 18:
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A S Neeraj
from
K V 2, Chennai
Class : Class 6
Actually, none of the answer is correct. IN option D they changed the order