Subject :NSO Class : Class 7
Which of the following statements is/are false?
(i) Two thin woollen sweaters are warmer than a thick
woollen sweater.
(ii) It saves fuel if we cook food in a vessel which is
blackened at the bottom and polished from the sides.
(iii) The cable wires between two poles are left loose,
because in summers the wires may not break on expanding.
A(i) and (iii) only
B(ii) and (iii) only
C(iii) only
D(i) only
What