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How to prepare hydrogen
Hydrogen can be prepared from a dilute acid, like as hydrochloric or sulphuric, when it is chemically reacted with a metal like as zinc. The acid may be secured from a drug store.
Apart from acidic waste, bromine waste is also treated using this method. Exercises Examples: Perchloric acid, sulphuric acid, hydrochloric acid, nitric acid, phosphoric acid
b) discuss briefly the scientific and technical achievements of the bronze age
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we know that if you went out into space and went around... lets say Jupiter for... 100 years you would of aged only 100 years but when you went back to Earth the planet would of ev
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explain the factors that led to the decline of science in europe during iron agen..
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What is the mode of nutrition in tiger?
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Identification of curves
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