Question

Good afternoon brainlics ✌️

Today's question series started ^_^

My first question of the day is

Give five properties and uses of bases.

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No copied answer ✖️✖️​

Answer 1

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Properties of bases -

1. Bases have bitter taste .

2. Bases feel soapy to touch.

3. Bases conduct electricity in sodium (they are electrolyte).

4. Bases turn red litmus paper to blue.

5. Bases reacts with acid to form salt and water.

6. Bases reacts with some metal to form hydrogen gas.

$\huge \bold \blue{uses \: of \: bases - }$

1. Some bases like sodium hydroxide is used in the manufacture of soap, paper and rayon.

2. Bases like calcium hydroxide (slaked lime) is used in making bleaching powder.

3. Sodium carbonate which is a base is used in washing soda and for softening hard water.

4. Bases like magnesium hydroxide is used as an 'antacid' to neutralise excess acid in the stomach and cure indigestion.

5. Sodium hydrogencarbonate is used as baking soda in cooking, for making baking powder, as an antacid to cure indigestion and in soda-acid fire extinguisher.

Answer 2

Properties of Bases...

They are liquids.

They are solutions of compounds in water.

If concentrated they can be corrosive.

Acids taste sour (for example, vinegar).

Turn blue litmus paper red - this is an easy test for an acid!

uses...

Ammonia(used in the production of fertilizers, used in manufacturing of nitric acid, to prevent clotting in natural and synthetic latex), aluminum hydroxide(often used to make gastric medicine-antacid), calcium hydroxide(used to make cement, limewater, help with application of sewage ...

-Alex.......