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No, it is a physical, not chemical change.
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∙ 12y ago
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Is pulverized chalk a physical or chemical change?
Grinding chalk to chalk dust is a physical change because the texture and size may change but the its molecules are still the same.An example of chemical change is burning paper because ash is chemically different from paper.
Are filtering air to remove dust and pollen a physical and chemical change?
Chemical change
Is dust settling out of the air a chemical change?
No physical
Is filtering air to remove dust and pollen a physical or chemical change?
It’s a physical change 😑
Chalk dust is health hazard?
balls
Is pulverized chalk a physical or chemical change?
Grinding chalk to chalk dust is a physical change because the texture and size may change but the its molecules are still the same.An example of chemical change is burning paper because ash is chemically different from paper.
What is chalk dust on the blackboard?
Chalk is a form of calcium carbonate, so chalk dust is also a form of calcium carbonate.
Are filtering air to remove dust and pollen a physical and chemical change?
Chemical change
Can a chalk dust be a chalk again?
Maybe :3
Is dust settling out of the air a chemical change?
No physical
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 chalk dust made of?
crushed limestone then it is pressurized so that it for like a solid rock but is not as rigid as a rock because you can write with it on a blackboard.
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
Is filtering air to remove dust and pollen a physical or chemical change?
It’s a physical change 😑
Chalk dust is health hazard?
balls
What are th examples of colloids?
milk provider,chalk dust,saw dust
