Question

Statement (1): Mixture is a chemical combination of two or more elements.
Statement (2): Properties of the constituents of a mixture remain the same.
Statement I is true and statement II is false

A.Both statement I and II are true and II is not a correct explanation of statement I

B.Both statement I and II are false

C.Statement I is false and Statement II is true

D.Both statement I and II are true and II is a correct explanation of statement I

Answer 1

Hint: When the change in state, appearance, temperature, or precipitates are formed of a substance then there may be a chemical change in the substance otherwise it will be a physical change with this we can find the type of change.

Complete step by step answer:
Mixture involves the physical mixing and combination of two or more elements. Compounds involve the bonding between the elements and it is a combination of two or more elements.
With this, we know that the combination of two or more elements properties.
Mixtures are usually classified as homogeneous or heterogeneous mixtures based on the phase of their constituents.
Mixtures may contain any proportion of its constituents; it is not fixed.
Constituent substances of a mixture can be separated easily by physical methods like distillation and filtration.
The component's individual properties remain without any change.
We know whether there is some change in appearance, state, or temperature of a substance then chemical change occurs otherwise it is a physical change and in mixture properties of substances that are mixed does not change.
In the above first statement: the mixture is a chemical combination of two or more elements. This is not a correct statement. Therefore the first statement is false.
In the above second statement: the properties of the constituents of a mixture remain the same. This is a correct statement. Therefore the second statement is true.
Thus the correct answer is (D).

Note:
Using physical methods such as filtration, freezing, and distillation, a mixture can be separated. Individual substances present in a mixture keep special properties in a mixture, but if they form a compound their properties can change.