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Subject :NSO    Class : Class 5

Krishna dropped a piece of stone and one teaspoon of sugar into a beaker containing water. He noticed that after sometime only the stone remained at the bottom. Which of the following conclusions can be made by Krishna?

A Sugar is soluble and heavier than water whereas stone is insoluble and lighter.
B Sugar is soluble and lighter than water whereas stone is insoluble and heavier.
C Both sugar and stone are heavier than water. However, sugar is soluble whereas stone is not.
D Both sugar and stone are lighter than water. However, sugar is soluble whereas stone is not.


Ans 1:

Class : Class 6
ans is c

Ans 2:

Class : Class 5

Ans 3:

Class : Class 7
ANS IS B

Ans 4:

Class : Class 7

Ans 5:

Class : Class 4

Ans 6:

Class : Class 6
Ans is B

Ans 7:

Class : Class 5
c is the answer

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