Question

state diifrence between acid and bases​

Answer 1

Answer:

An acid is a substance that produces hydrogen ion (H+) as the only positive ion when mixed with water. A base is a substance that produces hydroxyl ion (OH–) as the only negative ion when mixed with water.

Bronsted-Lowry Concept An acid is a species that can release/donate a proton to another species. A base is a species that can accept a proton.

Lewis Concept An acid is a species that can accept an electron pair. A base is a species that can donate an electron pair.

Strength The strength of an acid is based on the concentration of hydrogen ions. The strength of a base is based on the concentration of hydroxyl ions.

Physical nature Acids are corrosive in nature. Bases are slippery in nature.

Answer 2

• Acids

1. Turns blue litmus paper to red .

2 They are sour in test .

3 Acids does not change the colour of turmeric indicator

4 They are not soapy in touch.

5 Eg : - HCL

• Bases

1. Turns red litmus paper to blue.

2. They are bitter in test.

3. They changes the colour of turmeric indicator.

4. They are soapy in touch.

5. Eg:- NaOH.

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