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Standard VIII

Chemistry

Mixtures

Which of the ...

Question

Which of the following is incorrect about a heterogeneous mixture?

Constituents can be distinctly seen.

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Different composition throughout their mass.

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Constituents are uniformly mixed.

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Different composition in different parts of their mass.

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Solution

The correct option is C
Constituents are uniformly mixed.

Constituents of heterogeneous mixtures are non-uniformly mixed.

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Similar questions

Two samples ‘m’ and ‘n’ of slaked lime were obtained from two different reactions. The details about their composition are as follows:

‘sample m’ mass : 7g

Mass of constituent oxygen : 2g

Mass of constituent calcium : 5g

‘sample n’ mass : 1.4g

Mass of constituent oxygen : 0.4g

Mass of constituent calcium : 1.0g

Which law of chemical combination does this prove? Explain.

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.

Two samples 'm' and 'n' of slaked lime,

C a (O H)_{2}

, were obtained from two different reactions. The details about their composition are as follows:

S a m p l e^{'} m^{'} - ----------- -

Total mass: 7 g

Mass of constituent oxygen: 2 g

Mass of constituent calcium: 5 g

S a m p l e^{'} n^{'} - ---------- -

Total mass: 1.4 g

Mass of constituent oxygen: 0.4 g

Mass of constituent calcium: 1 g

Which law of chemical combination does this prove? Explain.

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.

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Which of the following is incorrect about a heterogeneous mixture?

The correct option is C Constituents are uniformly mixed. Constituents of heterogeneous mixtures are non-uniformly mixed.

The correct option is C
Constituents are uniformly mixed.

Constituents of heterogeneous mixtures are non-uniformly mixed.