can you discover the chalk from chalk dust?how?
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Explanation:
Can we recover chalk by drying a paste of chalk dust and water? Answer: Yes, if we make a paste of chalk dust and water, and allow it to dry, chalk will be recover. Chalk and chalk dust have same properties as chalk is broken into pieces, form chalk dust.
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Answer:
Yes we can recover chalk from chalk dust .For recovering chalk from chalk dust collect some chalk dust . Add a little amount of water to it and make a paste of the chalk dust.After that roll the chalk paste into shape of a piece of chalk and dry the chalk for sometimes. Chalk is ready!!
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