NEET BIOLOGY

Detailed explanation-1: -Leaving water in the kettle after use will encourage limescale to build up, so we recommend you empty the kettle out once you’re done if you’ve got hard water. In fact, to keep it completely scale free, you should rinse and dry the kettle thoroughly each time to prevent any hard water from drying.

Detailed explanation-2: -Boiling water takes forever, so you decide to speed things up by filling the pot with scalding hot tap water instead of cold. DON’T DO IT! Why? Well, because your hot water from the tap can contain contaminants.

Detailed explanation-3: -They are the most important in that they boil water. If you want to enjoy black tea, you simply must have a way to get the water temperature up to bubbling and steaming quickly. Hot water from the faucet fails this basic requirement.

Detailed explanation-4: -One cup kettles are devices which fill your cup with enough hot water for one drink at the press of a button. By eliminating the need to lift a kettle full of boiling hot water, the risk of scalding is greatly reduced, and the person’s independence is increased, as they can make a hot drink whenever they feel like one.