Slide 1A polar bond has separate centers of positive and negative charge. A molecule with separate centers of positive and negative charge is a polar molecule. The dipole…
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Slide 1 Geoscience Day starters Slide 2 1.Over the course of their lifetimes, trees will do what to the level of gasses in the atmosphere? a.Nothing, O 2 and CO 2 level will…
1. Brass gets discoloured in air because of the presence of which of the following gases in air? A. Oxygen B. Hydrogen sulphide C. Carbon dioxide D. Nitrogen Answer &…
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