Based on the table, substance A, B, C and D are in their solid state at the temperature shown.

Which substance is not possible to have a melting point of 300^oC?

Based on the table, substance A, B, C and D are in their liquid state at the temperature shown.

Which substance is possible to have a melting point of 180^oC?

Based on the table, substance A, B, C and D are in their gaseous state at the temperature shown.

Which substance is possible to have a melting point of 100^oC?

Which of the four substance is a liquid at 300^oC and a gas at 800^oC?

Which of the four substance is a solid at 140^oC and a gas at 800^oC?

Which substance has melting point at 30^oC and boiling point at 150^oC?

Which substance has freezing point at 300^oC and boiling point at 700^oC?

A piece of ice was heated in a beaker for 8 minutes.

The water in the beaker started boiling at the 6th minute.

Which of the following is the possible temperature-time graph?

A beaker of tap water was heated for 6 minutes.

The water in the beaker started boiling at the 4th minute.

Which of the following is the possible temperature-time graph?

A substance was heated from 30^oC to 80^oC. The state changed from solid to liquid.

Which is the possible set of melting point and boiling point of the substance?

A substance was heated from 30^oC to 200^oC.

The state changed from solid to gas.

Which is the possible set of melting point and boiling point of the substance?