Question

A mixture of sand,chalk powder and common salt is dissolved in water and then filtered
Name the substance left on paper
Name the substance in the filter

Answer 1

A mixture of sand,chalk powder and common salt is dissolved in water and then filtered gives:

• When we filter the solution, we will obtain the salt solution or saltwater as the filtrate and the substances sand and chalk powder will remain as residues on the filter paper.

• This is due to the salt which will greatly soluble in water can easily get dissolved in water and mixed with it.

• But the sand and chalk powder which are impossible to get dissolved in water will remain at the bottom.

• When filtered it will stay on the filter and the solution we obtain after filtering is the saltwater or salt solution.

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Answer 2

Answer:

chalk powder and sand;residue