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Subject :NSO    Class : Class 7

Two containers X and Y are filled with equal amount of hot water and the temperature of the water in the containers is measured with a thermometer some time later. It is observed that container X has a much lower temperature than container Y. Which of the following are the possible reasons?
(i) Container X is black and container Y is silver.
(ii) Container X has a lid and container Y is not covered.
(iii) Container X is made of steel and container Y is made of clay.

A(i) and (ii) only
B(i) and (iii) only
C(ii) and (iii) only
D(i), (ii) and (iii)

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