A student heats a beaker containing ice and water. He measures the temperature of the content of the beaker as a function of lime. Which of the following would correctly represent the result ? Justify your choice .

When water in a beaker freezes to form ice, then which of the following will be correct statement:

A glass tumbler containing hot water is kept in the freezer compartment of a refrigerator (temperature lt 0^(@) C ). If you could measure the temperature of the content of the tumbler , which of the following graphs would correctly represent the change in its temperature as a function of time.

A glass tumbler containing hot water is kept in the freezer compartment of a refrigerator (temperature lt 0^(@) C ). If you could measure the temperature of the content of the tumbler , which of the following graphs would correctly represent the change in its temperature as a function of time.

100 g of ice at -15^@C was heated. The rise in temperature of ice was plotted against the heat given to ice. Which of the following graphs (Fig. 6.2) correctly depicts this behaviour?

A beaker containing 2 kg of ice at 0^(@) C is floating in a bucket that contains 5 kg of water at 0^(@) C. Which of the following statements is correct regarding this?

A student mixed some soil with water in a beaker and allowed it to settle. He filtered the contents of the beaker and obtained a clear filtrate. When he put a few drops of the filtrate on the pH paper, the pH paper turned yellowish orange. Which of the following should the student put on this pH paper so that it may change its colour to greenish blue?