Three glasses P, Q and R having equal amount of water were taken at room temperature and equal amount of salt was added to each one of them. After that, P was cooled, Q was heated and R was left undisturbed. Water in which glass will now taste most salty?
A P
B Q
C R
D All will taste the same.
Ans 3:
Class : Class 5
THE CORRECT ANSWER IS B , SINCE SALT DISSOLVES IN WATER THE FASTEST WHEN WATER IS MORE AND THE TEMPERATURE IS HOT .
Ans 7:
Class : Class 8
Water dissolves faster when the conditions are warm.In this case all of them are in normal room temperature.The glass Q is being heated. So the more heat the more the rate of salt dissolvation will be high.Hence B will taste the saltiest because more salt has dissolved in it.Ans:B
Ans 16:
Class : Class 9
how u fools it will settle down when heating then when u do distillation it will come . u all are wrong ans is D