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Chemistry
A branch of physical science that is concerned with the study of matter and energy and how they interact.
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Chemistry > General chemistry 
sublimation
Chemistry; General chemistry
The process of changing from a solid to a gas, or from a gas to a solid, without turning into a liquid first.
Scheele
Chemistry; General chemistry
Swedish scientist who discovered nitrogen, chlorine, and several chemical compounds in 1772. He died in 1786.
soluble
Chemistry; General chemistry
Able to be dissolved. Salt is soluble in water. Metal is soluble in acid. Salt is a solute in salt water.
solvent
Chemistry; General chemistry
A substance that can dissolve another substance to form a solution. Water is the solvent in salt water.
wax
Chemistry; General chemistry
A sticky solid substance that quickly softens or melt when it is heated is called wax.
zaffar
Chemistry; General chemistry
A pigment obtained, usually by roasting cobalt glance with sand or quartz, as a dark earthy powder. It consists of crude cobalt oxide, or of an impure cobalt arseniate.
inert
Chemistry; General chemistry
Not able to react with other chemical elements. Noble gases, such as helium and argon, are almost always inert.
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