Which of the following method is not used in preparing a base?

Burning of metal in air

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Adding water to a metal oxide

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Reaction between an acid and base

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Heating metal carbonates

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Solution

The correct option is B Reaction between an acid and base
Reaction between acid and base
It is a neutralization reaction which forms a salt but base is not formed.
Reaction of a metal oxide with water produces a metal hydroxide that is strong base.

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Similar questions

Which of the following acids is not used in the preparation of hydrogen from metals?

Question 24.
Which of the following statements is not correct ?

(a) All metal carbonates react with acid to give a salt, water and carbon dioxide
(b) All metal oxides react with water to give salt and acid
(c) Some metals react with acids to give salt and hydrogen
(d) Some non-metal oxides react with water to form an acid

Give reason for the following

1. Nitric acid in the dilute form is not used in the laboratory preparation of hydrogen from metals.

2. Granulated zinc is preferred to metallic zinc in the preparation of hydrogen using dilute acid.

3. Hydrogen and alkali metals of group [1A] react with copper [II] oxide to give copper.

4. Hydrogen is collected by the downward displacement of water and not even though it is lighter than air.

5. A Mixture of hydrogen and chlorine can be separated by passage through a porous pot

Which method is used for preparation of metal sols?

Nitric acid, even in its diluted form, is not used in the preparation of hydrogen from metals because metals on reaction with nitric acid can't replace the hydrogen atom.

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Which of the following method is not used in preparing a base?

The correct option is B Reaction between an acid and baseReaction between acid and baseIt is a neutralization reaction which forms a salt but base is not formed.Reaction of a metal oxide with water produces a metal hydroxide that is strong base.

The correct option is B Reaction between an acid and base
Reaction between acid and base
It is a neutralization reaction which forms a salt but base is not formed.
Reaction of a metal oxide with water produces a metal hydroxide that is strong base.