On dissolving chalk powder in water, a suspension is obtained. Give any two reasons to support to support the fact that mixture so obtained is a suspension only.

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Solution

The facts that support the fact that a mixture of chalk powder in water is a suspension are:

1. When the mixture is left undisturbed, the chalk particles settle down.
2. The mixture displays Tyndall effect, light shone on the mixture is scattered by chalk particles.

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On dissolving chalk powder in water, a suspension is obtained. Give any two reasons to support to support the fact that mixture so obtained is a suspension only.

The facts that support the fact that a mixture of chalk powder in water is a suspension are: 1. When the mixture is left undisturbed, the chalk particles settle down. 2. The mixture displays Tyndall effect, light shone on the mixture is scattered by chalk particles.

The facts that support the fact that a mixture of chalk powder in water is a suspension are:

1. When the mixture is left undisturbed, the chalk particles settle down.
2. The mixture displays Tyndall effect, light shone on the mixture is scattered by chalk particles.