What is neutralisation reaction? Give two examples.

A neutralization reaction can be defined as a chemical reaction in which an acid and base quantitatively react together to form salt and water as products. Examples: Sodium hydroxide is added to hydrochloric acid. Sodium chloride and water are formed. HCl + NaOH → NaCl + H 2 O Milk of magnesia, which is a base, is given as an antacid in the case of indigestion, to neutralize the more acid produced in the stomach. Mg ( OH ) 2 + 2 HCl → MgCl 2 + 2 H 2 O

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Foundation Course Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE>Q 34

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Which of the following salts on dissolving in water will give a solution with pH less than $7$ at $298 K$ ?

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Important Questions on Acids, Bases And Salts

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Foundation Course Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE>Q 35

In the given series of reactions, what are Y and Z respectively?

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(Q is used in removing permanent hardness of water.)

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Foundation Course Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE>Q 36

What will be the pH value of a solution if salt of a strong acid and weak base undergoes hydrolysis?

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Foundation Course Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE>Q 37

The equation between an acid and a base is

XOH + HY \to XY + H_{2} O

Which of the following is the cation part of salt?

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Foundation Course Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE>Q 38

P is produced by the action of chlorine on dry slaked lime. Q is a non-corrosive base and used for faster cooking. On heating R at 373 K, it becomes calcium sulphate hemihydrate. Identify P, Q and R respectively.

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Foundation Course Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE>Q 39

Two solutions A and B were found to have pH value of

6

and

8

respectively. The inference that can be drawn is

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Foundation Course Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE>Q 40

Acetic acid was added to a solid X kept in a test tube. A colourless and odourless gas was evolved. The gas was passed through lime water which turned milky. It was concluded that

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Foundation Course Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE>Q 41

A blue litmus paper was first dipped in dil. HCl and then in dil. NaOH solution. It was observed that the colour of the litmus paper

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Foundation Course Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE>Q 42

$CuO + X \to {CuSO}_{4} + H_{2} O$

Here (X) is