Abida and Ramesh were doing an experiment in which water was to be heated in a beaker. Abida kept the beaker near the wick in the yellow part of the candle flame. Ramesh kept the beaker in the outermost of the flame. Whose water will get heated in a shorter time?
The water heated by Ramesh will get heated in a shorter time because he kept his beaker near the hottest zone of the flame. On other hand Abida kept the beaker in the yellow part of the candle flame, which is less hotter than blue part.
Can the process of rusting be called combustion ? Discuss.
In an experiment 4.5 kg of a fuel was completely burnt. The heat produced was measured to be 180,000 kJ. Calculate the calorific value of the fuel.
