Covalent bonds in benzene molecules

In benzene there are sigma bonds and delocalized pi bonds between carbon atoms.

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Change in the colour of the cobalt(II) chloride solution due to heating and cooling.

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Non-polar substances dissolve in non-polar solvents while polar substances dissolve in polar...

The effect of concentration on chemical equilibrium

Examining the colour of cobalt(II) chloride in water and hydrochloric acid.

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The dissolution of zinc in hydrochloric acid produces hydrogen gas.

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An exercise about the groups and structure of mono-, di- and polysaccharides.

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