Hydrogen gas is evolved by reacting a piece of magnesium ribbon with water:(1) Describe how it could be shown that the gas collected is hydrogen.(2) Write a chemical equation for the reaction taking place between magnesium and water using symbols.(3) Suggest how the appearance of magnesium would change after a week.(4) A few drops of universal indicator solution were added to water in the beaker. What colour would expect to see and what pH would this colour indicate?
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Hydrogen gas is evolved by reacting a piece of magnesium ribbon with water:
(1) Describe how it could be shown that the gas collected is hydrogen.
(2) Write a chemical equation for the reaction taking place between magnesium and water using symbols.
(3) Suggest how the appearance of magnesium would change after a week.
(4) A few drops of universal indicator solution were added to water in the beaker. What colour would expect to see and what pH would this colour indicate?
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