[TBQ.XII.(2)]
Observe the picture containing a kettle and note that it has salt water in it and answer the following questions.

(a) What is name of the process that is done to the kettle?
(b) What will happen to the content of the kettle?
(c) What kind of change is occurring on the cold surface of the metal plate?
(d) What can you say about the quality of water that is obtained in the beaker?

Open in App

Solution

(a) Heating

(b) Water in the kettle gets converted into vapour

(c) Endothermic

(d) The water collected in the beaker is almost pure.

Suggest Corrections

Similar questions

Q. Choose words from the list below and fill in the blanks.
water, condenses, vaporisation, boiling, steam, cold, reversible
The water in the kettle is _____________.
As it boils, it changes into ____________.
This process is known as _____________.
If you hold a _____________ metal plate near the spout of the kettle, the steam ___________ into droplets of ___________. The water can then be collected in a beaker. Hence, this is an example of __________ change.
Figure

Q. Why does fur form inside a kettle in which water has been boiled for a long time? Give the chemical names and formulae of this fur? In what way is it a nuisance?

.An electric kettle rated 1000W, 220V is used to bring water at 20 degrees to its boiling point. If the kettle is switched on for 10 minutes. Calculate:

Mass of water in the kettle.

Q. it takes 15 minutes to heat 2kg of water at 30 degrees celsius to 100 degrees celsius using an electric kettle of resistance 10 ohm. how much current is taken by the kettle? what is the amount of power consumed by the kettle? if 1kwh costs 60p how much will you pay?

Q. What happens during saponification of oil in kettle process? (1 mark)

Join BYJU'S Learning Program

(a) Heating (b) Water in the kettle gets converted into vapour (c) Endothermic (d) The water collected in the beaker is almost pure.

(a) Heating

(b) Water in the kettle gets converted into vapour

(c) Endothermic

(d) The water collected in the beaker is almost pure.