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Is a pure element a heterogenous or homogeneous mixture and why
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Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this
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Why does ammonia, nh3, behave as a base when it reacts with an acid? z
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Is a pure element a heterogenous or homogeneous mixture and why...
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