
Evaporation, crystallization sublimation and distillation
Quiz by Reena
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20 questions
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- Q1Which of the following processes involves the conversion of a substance from a liquid state to a gaseous state?SublimationCrystallizationDistillationEvaporation30s
- Q2What is evaporation?The process in which a liquid turns into a gasThe process in which a gas turns into a liquidThe process in which a gas turns into a solidThe process in which a solid turns into a gas30s
- Q3Which of the following is a factor that affects the rate of evaporation?Time of dayHumidityWind directionTemperature30s
- Q4Which of the following is a process of evaporation?Boiling a pot of waterStirring a pot of waterFreezing a pot of waterAdding salt to a pot of water30s
- Q5Which of the following statements about evaporation is true?Evaporation is a process of condensationEvaporation can occur at any temperatureEvaporation only occurs in liquids with low boiling pointsEvaporation can only occur at high temperatures30s
- Q6In what state of matter does evaporation occur?GasPlasmaLiquidSolid30s
- Q7Which of the following factors does NOT affect the rate of evaporation?The temperature of the liquidThe color of the liquidThe surface area of the liquidThe humidity of the air30s
- Q8What is the primary cause of evaporation?The presence of other substances in the liquidHeat energy from the surroundingsThe movement of molecules within the liquidWind blowing over the liquid30s
- Q9What is crystallisation?The process of formation of a liquid from a solidThe process of formation of a solid from a gasThe process of formation of a solid from a solutionThe process of formation of a gas from a liquid30s
- Q10What is the role of temperature in crystallisation?Temperature changes the shape of the crystalsTemperature determines the color of the crystalsTemperature has no effect on crystallisationTemperature affects the solubility of the solute in the solvent and determines the rate of crystal growth30s
- Q11What is sublimation?A process where a liquid turns directly into gas without becoming a solid first.A process where a gas turns directly into solid without becoming a liquid first.A process where a solid turns directly into gas without becoming a liquid first.A process where a solid turns directly into liquid without becoming a gas first.30s
- Q12When solid ammonium chloride is heated, it undergoes sublimation, which means it:changes color but remains a solidmelts into a liquidbreaks down into simpler compoundsturns directly into a gas without melting first30s
- Q13What is the process by which solid ammonium chloride turns directly into a gas without melting first?combustionevaporationcondensationsublimation30s
- Q14What is the term for the process of a substance turning directly into a gas without passing through the liquid state, exhibited by ammonium chloride?evaporationcombustioncondensationsublimation30s
- Q15What is distillation?A process used to combine components of a mixture based on similarities in boiling points.A process used to separate components of a mixture based on differences in chemical reactivity.A process used to filter components of a mixture based on size.A process used to separate components of a mixture based on differences in boiling points.30s