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so that people are able to efficiently clean blackboards and sidewalks where chalk has been used

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15y ago

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Will citric acid dissolve chalk?

No, citric acid will not dissolve chalk. Chalk is mainly composed of calcium carbonate, which is insoluble in citric acid. An acid like hydrochloric acid would be more effective in dissolving chalk.


How you would obtain salt from a mixture of salt and chalk?

To separate salt from chalk, you can dissolve the mixture in water. Salt is soluble in water while chalk is not. After dissolving, you can filter the mixture to separate the insoluble chalk from the salt solution. By evaporating the water from the salt solution, you can obtain the salt crystals.


Which would come first chalk or chalkboard in alphabetical order?

chalk would come first


What would happen if you shook some chalk in a container?

Shaking chalk in a container would break it down into smaller pieces and create chalk dust. This would help disperse the chalk more evenly and produce a finer application when writing or drawing.


Can you eat chalk while breastfeeding?

why the heck would you wat to eat chalk.


Would white chalk or or colored chalk be an independent or dependent variable?

Any, the answer depends on what the experiment is about.


What would happen if chalk was used for a statue?

If chalk was used for a statue, it would not be a suitable material as chalk is fragile and susceptible to erosion and damage from weather conditions. The statue would likely deteriorate quickly, losing its form and details.


Why are fossils not found in chalk?

Chalk is a fossil itself and chalk is soft, and so while you might form a fossil; in it, it would not remain. Within chalk there is often harder rock - which sometimes does contain fossils.


How do you separate suspension of chalk in water?

Filtration would separate the water, leaving the chalk particles behind.


How do you separate a suspension of chalk in water?

Filtration would separate the water, leaving the chalk particles behind.


How to build a road with chalk?

that would be hard


Would sidewalk chalk dissolve in gasoline?

Yes, sidewalk chalk is made of calcium carbonate which is not soluble in gasoline. The chalk would likely not dissolve but it may break down and form a sludge or residue in the gasoline. It is not recommended to mix chalk with gasoline as it can cause clogging and damage to the engine.