Question

1. What is the test for acids using litmus paper ?

2. Explain the types of acid according to the amount of water in it with examples ?

3. Explain the types of acid according to the occurrence with examples ?

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Answer 1

Answer:

1)The main use of litmus is to test whether a solution is acidic or basic. Blue litmus paper turns red under acidic conditions and red litmus paper turns blue under basic or alkaline conditions, with the color change occurring over the pH range 4.5–8.3 at 25 °C (77 °F). Neutral litmus paper is purple.

2)An acid is a chemical species that donates protons or hydrogen ions and/or accepts electrons. The word acid comes from the Latin words acidus or acere, which mean "sour," since one of the characteristics of acids in water is a sour taste (e.g., vinegar or lemon juice).

3)two.

There are two basic types of acids organic and inorganic acids. Inorganic acids are sometimes referred to as mineral acids.

Explanation:

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Answer 2

Answer:

1) The main use of litmus is to test whether a solution is acidic or basic. Blue litmus paper turns red under acidic conditions and red litmus paper turns blue under basic or alkaline conditions, with the color change occurring over the pH range 4.5–8.3 at 25 °C (77 °F). Neutral litmus paper is purple.

2) Usually acids can be divided into three major types. First one is binary acid, second one is oxyacid, and the last one is carboxylic acid. Binary acids are all written in “H-A” form, which means hydrogen bond to a nonmetal atom.

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