Answer 29 also give reason-29-Which of the following method is not used in preparing a base -a- burning of metal in air nbsp-b- adding water to a metal oxide nbsp-c- nbsp-reaction between an acid and base nbsp-d- heating metal carbonates nbsp-

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Byju's Answer

Standard VIII

Chemistry

Chemical Reactions

Answer 29 als...

Question

Answer 29 also give reason

29.Which of the following method is not used in preparing a base ?
(a) burning of metal in air
(b) adding water to a metal oxide
(c) reaction between an acid and base
(d) heating metal carbonates

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Solution

Dear Student

The right answer is option C.
Reaction of an acid with a base will produce salt and water.
All the other methods will produce bases.

Regards

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Similar questions

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

Metal carbonates decompose on heating to give metal oxide and carbon dioxide. Which of the metal Carbonates is most stable thermally?
(a) $M g C O_{3}$ (b) $C a C O_{3}$ (c) $S r C O_{3}$ (d) $B a C O_{3}$

Q. A salt can be produced by the reaction between:
A. a weak acid and weak base
B. metal oxide and water
C. metal and a mineral acid
D. metal oxide and a mineral acid

Name :

(a) a nitrate of metal which on heating does not give nitrogen dioxide.

(b) a nitrate which on heating leaves no residue behind.

(d) a metal nitrate which on heating is changed into metal.

(e) a solution which absorbs nitric oxide.

(f) the oxide of nitrogen which turns brown on exposure to air. How is it prepared ?

Q. Statement 1: Metal oxides are also called basic oxides.
Statement 2: Metal oxides neutralize the effect of acids and release water, similar to the reaction of a base with an acid.

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Answer 29 also give reason 29.Which of the following method is not used in preparing a base ? (a) burning of metal in air (b) adding water to a metal oxide (c) reaction between an acid and base (d) heating metal carbonates

Dear Student The right answer is option C. Reaction of an acid with a base will produce salt and water. All the other methods will produce bases. Regards

Answer 29 also give reason

29.Which of the following method is not used in preparing a base ?
(a) burning of metal in air
(b) adding water to a metal oxide
(c) reaction between an acid and base
(d) heating metal carbonates

Dear Student

The right answer is option C.
Reaction of an acid with a base will produce salt and water.
All the other methods will produce bases.

Regards