A salt or ester of xanthic acid. Many xanthates have a yellow color. Xanthates are used as flotation agents in mineral processing.
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Ozone
We breathe 24 hours a day, 7 days a week, consuming about 25 kg of air every day. It turns out that we practically predetermine our health by the air we breathe.
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Chemistry of the sky
Chemistry can teach us about the composition of celestial bodies and determine their age.
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Diamonds Are Forever
Diamonds are still a girl's best friend, right? We love the shiny gems. They are the most popular rocks sold today. But what exactly are they, anyway? Where do they come from? What else are they used for?
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Harmful Chemicals Found In Food
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The most expensive metal in the world
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Primary Voltaic Cells
Voltaic cells that cannot be recharged, no further chemical reaction is possible once the reactants are consumed.
Enzyme
A protein that acts as a catalyst in biological systems.
Mechanism
The sequence of steps by which reactants are converted into products.
Hydrophilic Colloids
Colloidal particles that repel water molecules.
Periodicity
Regular periodic variations of properties of elements with atomic number (and position in the periodic table).
Basic Anhydride
The oxide of a metal that reacts with water to form a base.
Law of Conservation of Matter
There is no detectable change in the quantity of matter during an ordinary chemical reaction.
Alkaline Battery
A dry cell in which the electrolyte contains KOH.
Nucleons
Particles comprising the nucleus, protons and neutrons.
Amine
Derivatives of ammonia in which one or more hydrogen atoms have been replaced by organic groups.
