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What is an emulsion? and give some examples

Emulsions are solutions of water and oil. With small droplets of one suspended in the other.Common examples of emulsions:- Mayonnaise, Milk (oil droplets in water)- Butter, Margarine (water droplet...

Answered by Nathan L. • Chemistry tutor

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How do you make calcium hydroxide (Ca(OH)2) from Calcium carbonate (CaCO3) and what are the equations.

Thermally decompose the calcium carbonate:CaCO₃-> CaO + CO₂Now mix the CaO with water:CaO + H₂O -> Ca(OH)₂

Answered by Nathan L. • Chemistry tutor

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What is Le Châtelier's principle?

Le Châtelier's principle is that when a system has reached a dynamic equilibrium the position of equilbrium will move to resist any change that is imposed on it.

For exampl...

Answered by Thomas G. • Chemistry tutor

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Name the type of reaction that takes place when calcium carbonate is heated strongly?

This is called thermal decomposition. CaCO₃decomposes into calcium oxide (CaO) and Carbon Dioxide (CO₂).

Answered by Thomas G. • Chemistry tutor

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What is oxidation?

Oxidation is the loss of electrons from a molecule, atom, or ion. This corresponds to an increase in the oxidation number of the molecule, atom, or ion.

Answered by Thomas G. • Chemistry tutor

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