Interconversion of States of Matter
Chemistry ⇒ States of Matter
Interconversion of States of Matter starts at 6 and continues till grade 12.
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See sample questions for grade 11
A beaker contains a mixture of ice and water at 0°C. If heat is supplied, what will happen to the temperature until all the ice melts?
A sample of water at 100°C is kept at atmospheric pressure. What state(s) of matter will be present?
Describe what happens to the arrangement and movement of particles during sublimation.
Describe what happens to the temperature of a substance during a phase change, such as melting or boiling.
Explain the difference between melting and freezing in terms of energy change and particle movement.
A beaker contains a mixture of ice and water at 0°C. If heat is supplied, what will happen to the temperature until all the ice melts?
A sample of water at 100°C is kept at atmospheric pressure. What state(s) of matter will be present?
Calculate the amount of heat required to convert 50 g of ice at 0°C to water at 0°C. (Latent heat of fusion of ice = 334 J/g)
Which of the following best describes the process of boiling?
(1) Occurs only at the surface of the liquid
(2) Occurs throughout the liquid at a specific temperature
(3) Occurs only below the boiling point
(4) Occurs only in solids
Which of the following factors does NOT affect the rate of evaporation?
(1) Surface area
(2) Temperature
(3) Humidity
(4) Color of the liquid
Which of the following is an example of deposition?
(1) Snow forming from water vapor in clouds
(2) Ice melting in the sun
(3) Water boiling in a kettle
(4) Alcohol evaporating from skin
Which of the following is NOT a phase change?
(1) Melting
(2) Boiling
(3) Dissolving
(4) Freezing
The energy required to change 1 gram of a substance from solid to liquid at its melting point is called __________ heat of fusion.
The process by which water vapor changes into liquid water is called __________.
The process of changing a gas directly into a solid is called __________.
The process of changing a gas to a liquid is called __________.
Is it true that the melting point and freezing point of a pure substance are the same temperature?
Is the following statement true or false? 'During melting, the temperature of the substance increases until all the solid has melted.'
Is the process of freezing exothermic?
True or False: Boiling and evaporation are both processes that convert a liquid into a gas, but boiling occurs at a specific temperature while evaporation can occur at any temperature.
