Which of the following statements about a mixture is incorrect?

The constituents of a mixture can be separated easily by physical methods

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Elements or compounds are just mixed together to form a mixture. No new compound is formed

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A mixture has a fixed composition

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A mixture shows the properties of its constituents

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Solution

The correct option is C
A mixture has a fixed composition

A mixture is composed of two or more elements or compounds that do not have a fixed composition. It has a variable composition throughout. These elements or compounds just mix to form a mixture and the formation of new substances does not take place. The mixture shows the properties of constituent substances and these constituents can be separated by physical methods.

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Similar questions

Few properties are mentioned below. Specify the property as mixture or compounds:

STATEMENT 1: The constituents can be separated easily by physical means.

STATEMENT 2: Has a variable composition.

STATEMENT 3: The composition is constant.

STATEMENT 4: Shows entirely different properties from those of the constituents.

Few properties are mentioned below. Specify the property as mixture or compounds:

STATEMENT 1: The constituents can be separated easily by physical means.

STATEMENT 2: Has a variable composition.

STATEMENT 3: The composition is always fixed.

STATEMENT 4: Shows entirely different properties from constituent elements.

Few properties are mentioned below. Specify the property as mixture or compound:

STATEMENT 1: The constituents can be separated easily by physical means.

STATEMENT 2: Has a variable composition.

STATEMENT 3: Has a fixed melting and boiling point.

STATEMENT 4: Shows entirely different properties from constituent elements.

Few properties are mentioned below. Specify whether these properties belong to mixtures or compounds:

STATEMENT 1: The constituents can be separated easily by physical means.

STATEMENT 2: Has a variable composition.

STATEMENT 3: The composition is always fixed.

STATEMENT 4: Shows entirely different properties from constituent elements.

Match the following:

$\begin{matrix} (i) & Can have variable composition of constituent elements & (A) & Compound (ii) & - - - is new substance formed due to reaction of two constituent elements & (B) & Mixture (iii) & Constituent elements can be separated easily & (C) & Element (iv) & Can be separated only by chemical or electrochemical reactions (v) & Composition is always fixed (vi) & Shows properties of constituent elements \end{matrix}$

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