Subject :NSO Class : Class 6
Subject :NSO Class : Class 3
P changes into Q on heating. On further heating Q changes into R. Select the option that correctly compares the properties of P, Q and R.
| P | Q | R | |
| A | Has fixed shape | Has fixed shape | Has no fixed shape |
| B | Has fixed volume | Has fixed volume | Has no fixed volume |
| C | Has fixed mass | Has no fixed mass | Has no fixed mass |
| D | Has fixed colour | Has no fixed colour | Has fixed colour |
Ans 1:
Class : Class 7
P can be ice q can be water nd r can be gas. Ice is solid so it has a definite shape and volume so option B can be the answer. then water is liquid. It also has definite volume but not a definite shape. Gas has neither definite shape nor volume so B is correct
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Subject :NSO Class : Class 7
