Interconversion of States of Matter
Chemistry ⇒ States of Matter
Interconversion of States of Matter starts at 6 and continues till grade 12.
QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Interconversion of States of Matter.
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See sample questions for grade 10
A beaker contains 100 g of ice at 0°C. How much heat is required to completely melt the ice? (Given: Latent heat of fusion of ice = 334 J/g)
A sample of water at 100°C is being boiled at standard atmospheric pressure. What is the state of water during boiling?
A student heats a beaker of ice at 0°C. After some time, the temperature remains constant even though heat is still being supplied. Explain why.
A student observes that wet clothes dry faster on a windy day. Explain why.
Describe the effect of increasing pressure on the boiling point of a liquid.
Describe the role of humidity in the rate of evaporation.
Describe what happens to the movement of particles during evaporation.
Explain the difference between melting and freezing in terms of energy change.
Explain why naphthalene balls become smaller with time when left in open air.
Explain why sweating helps to cool our body.
Explain why the temperature of a substance does not change during a phase change, even though heat is being supplied.
