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My father-in-law said when he was bored in school he would catch a regular fly in one hand and scoop up some chalk dust with the other. Adding the two together would make a white fly, a chalk dust fly. This would amuse at least some of the other students from time to time.
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∙ 13y ago
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What is chalk dust on the blackboard?
Chalk is a form of calcium carbonate, so chalk dust is also a form of calcium carbonate.
Can a chalk dust be a chalk again?
Maybe :3
What happens to pieces of chalk when they are shaken in jar with pebbles?
The chalk will be ground into chalk dust by the pebbles.
What is chalkdust?
dust from a chalk. Chalk is made from calcium carbonate, CaCO3.
What is the hypothesis of mechanical chalkdust dispenser?
mechanical chalk dust dispenser's hypothesis is that it aims to hasten the removal of chalk dust on the chalkboard eraser
Chalk dust is health hazard?
balls
What are th examples of colloids?
milk provider,chalk dust,saw dust
Why will chalk dust on a plastic sheet placed over a bar magnet not show the shape of the magnetic field?
Chalk dust (calcium carbonate) is not magnetisable.
How do you separate table salt and chalk dust?
you can filter it
Mechanical chalk dust dispenser?
ambot lng
Is chalk dust a solution?
i think it would be a suspension
What can you do with chalk dust?
on overexposure, it triggers out respiratory problems.
