HARD
6th CBSE
IMPORTANT
Earn 100

Lemonade is prepared by mixing lemon juice and sugar in water. You want to add ice to cool it. Would you add ice to the lemonade before or after dissolving sugar? In which condition would it be possible to dissolve more sugar? Give reason in support of your answer.

Important Questions on Periodic Test (Based on Chapters 5 to 8)

HARD
6th CBSE
IMPORTANT
A bag of cement lying in open suddenly gets wet due to rain during the night. The sun shines brightly on the next day. What will happen to the wetted cement in the sun? Do you think the changes which have occurred in the cement could be reversed or not? Give reason in support of your answer.
HARD
6th CBSE
IMPORTANT
Support, an instance, you tied a scale on your arm and disabled the elbow movement. Think of other ways of restricting normal body movements and find ways that everyday activities could then be managed.