The temperature changes in a kettle of water was recorded for 14 minutes and represented
in the graph as shown.
Which of the following statements is/are true?
1. The water in the kettle was initially in the liquid state.
2. There was less water in the kettle at point 'e' than at point 'a'.
3. The water took 6 minutes to reach its boiling point after it was heated.
4. The kettle of water was heated for 6 minutes.
A 1 and 2
B 1 and 3
C 1, 2 and 3
D 1, 3 and 4