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Subject :NSO    Class : Class 3

Two containers X and Y, of the same size and thickness, contained 1000 mL and 600 mL of water, respectively. Both were heated over two separate flames till the water in them boiled.
If the water used in both containers took 10 minutes to reach boiling point, what conclusions can be made?
1. The flame used for container X is stronger than that used for container Y.
2. Container X is better conductor of heat than container Y.
3. The water in container X was colder than that in container Y at the beginning of the experiment.

A 1 only
B 2 only
C 1 and 2 only
D 1, 2 and 3


Ans 1:

Class : Class 3

Ans 2:

Class : Class 3
D

Ans 3:

Class : Class 3
the correct answer will be c as if the water will be colder in x so it will boil more late

Ans 4:

Class : Class 3
C . (1and 2 only)

Ans 5:

Class : Class 3
C . (1and 2 only)

Ans 6:

Class : Class 4

Ans 7:

Class : Class 3
C . (1and 2 only)

Ans 8:

Class : Class 3
IT"s d

Ans 9:

Class : Class 4

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