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 5
Ans 2:
Class : Class 3
C
Ans 3:
Class : Class 3
b and c are the correct answers
Ans 4:
Class : Class 6
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
Ans 5:
Class : Class 6
B is correct