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Natalija [7]
4 years ago
9

17.Observe the given figure carefully-

Chemistry
1 answer:
SpyIntel [72]4 years ago
7 0
A brings light together and B spreads it out. A is convex and B is concave.
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true

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A manufacturing plant has been found guilty of polluting the nearby river. This is _______ pollution.
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Consider the following reaction: 3Fe(s) + 4H₂O(g) ➞ Fe₃O₄(s) + 4H₂(g). To answer the following question: "How many moles of hot
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