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Introduction to d and f Block Elements

Classify the ...

Question

Classify the following as physical or chemical properties:

Most metal oxides form alkali on interacting with water.

A

Chemical property

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B

Physical property

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C

Both

A

and

B

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D

None of these

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Solution

The correct option is D Chemical property
It is a chemical property as electron transfer takes place and new compound forms in this reaction.
$M O + H_{2} O \to M (O H)_{2}$

Hence, the correct option is $A$ .

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Similar questions

Q. Question 18
Classify the following as physical or chemical properties.
a) The composition of a sample of steel is 98% iron, 1.5% carbon and 0.5% other elements.
(b) Zinc dissolves in hydrochloric acid with the evolution of hydrogen gas.
(c) Metallic sodium is soft enough to be cut with a knife.
(d) Most metal oxides form alkalis on interacting with water.

Q. Question 18
Classify the following as physical or chemical properties.
a) The composition of a sample of steel is 98% iron, 1.5% carbon and 0.5% other elements.
(b) Zinc dissolves in hydrochloric acid with the evolution of hydrogen gas.
(c) Metallic sodium is soft enough to be cut with a knife.
(d) Most metal oxides form alkalis on interacting with water.

Q. Question 1 (d)
Classify the following as chemical or physical changes:
d. Boiling of water to form steam

Q. Question 1 (b)
Classify the following as chemical or physical changes:
b. Melting of butter in a pan

Classify the following as physical or chemical change.

Metallic sodium is soft enough to be cut with a knife.

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