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Control And Coordination

Question
CBSEENSC10010937
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Distinguish clearly between the following terms by giving suitable examples:
(a) Acid and Alkali
(b) Organic acid and Mineral acid
(c) Base and Alkali.

Solution

(a) Distinguish between Acid and Alkali

Acid

Alkali

1. The compound formed by the reaction of

1. The hydroxide of metals which dissolve in

acidic oxide with water is called acid.

water are known as alkalies.

Examples: HCl, HNO3, H2SO4.

Examples: NaOH, KOH, NH4OH.




(b) Distinguish between Organic acid and Mineral acid

Organic Acid

Mineral Acid

1. Organic acid contains — COOH functional group.

1. Mineral acid contains hydrogen ion (H+).

2. These acids are weak.

Examples: Ethanoic acid, Lactic acid, citric acid.

2. These acids are strong.

Examples: Hydrochloric acid, sulphuric acid, nitric acid.





(c) Distinguish between Base and Alkali

Base

Alkali

1. A base is defined as a substance which contains hydroxyl group.

Examples: NaOH, KOH, Al(OH)3.

1. The hydroxide of metal which dissolves in water, is known as alkali.

Examples: NaOH, KOH, Ca(OH)2 etc.

Some More Questions From Control and Coordination Chapter

How do metals react with bases?

What is a neutralization reaction? Give some examples.

What are non-metallic oxides? Substantiate your answer.

Take 5 ml hydrochloric acid in a boiling tube or a conical flask. Add a few pieces of zinc granules to it.

(a) What do you observe on the surface of zinc granules?
(b) Name the gas evolved.
(c) What happens when the above gas is passed through soap solution?
(d) What happens when a burning candle is brought near the gas filled tube?

Name four acids and bases. Write their formulae.

Name the various kind of oxides and mention their properties.

What are acids? How are they produced?

Mention important characteristics of acids.

Why the vessels of copper and brass need ‘Kalai’?

How can you test the presence of an acid in any substance?

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