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Physical.
Edwin Mitchell
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Is making chalk dust a chemical change?
No, it is a physical, not chemical change.
Is filtering air to remove dust and pollen a physical or chemical change?
It’s a physical change 😑
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 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.
Is making chalk dust a chemical change?
No, it is a physical, not chemical change.
Is filtering air to remove dust and pollen a physical or chemical change?
It’s a physical change 😑
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 atmosphere being a gas physical or chemical change?
No, 'atmosphere' is NOT a change at all! It is a mixture of gasses and dust, mist or rain.
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.
Is splitting wood chemical or physical change?
Flammability is an example of physical and chemical properties.
Is coal dust chemical or a physical toxicant?
it is a physical toxicant
Which of the following is an example of a physical rather than a chemical change saw dust that is piling up under a table saw or a cigarette being smoked?
Saw dust
Is wood sawed and made into a toy box a chemical or physical change?
Physical-it is still wood, just in small pieces
Is pulverization of aspirin a physical or chemical change?
Physical change because the chemical state of the aspirin does not change, it is just crushed.
How does the formation of sedimentary rocks occur?
By the depositing over time of sediments and precipitates usually in water; sometimes of wind-borne sand and dust. Over time the material compacts and dries itself by its own weight, and chemical and/or physical changes mature it into rock.
