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" i = angle of incidence
r = angle of reflection "
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solly but I got the second one only
hope it's correct
:(
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Reaction of hydrochloric acid with magnesium ribbon. In this reaction hydrochloric acid react with magnesium ribbon and form magnesium chloride and hydrogen gas. When hydrochloric acid reacts with crushed egg shells and utilise to you formation of calcium chloride carbon dioxide gas and water.
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Hope this helps you :)
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