Polarity of molecules

DP Chemistry: Polarity of molecules

The traditional practical way to show whether the molecules of a substance are polar was to put the liquid in a burette and use a charged rod to see if it would deflect the liquid as it ran out of the burette.A much neater way is to use an ordinary household microwave oven. The first microwave oven was invented by Percy Spencer during the Second World War. Microwave ovens work by creating oscillating electromagnetic...

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