the apparatus needed for the preparation of hydrogen
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Before collecting hydrogen gas great care must be taken to ensure that all the air has been displaced from the apparatus since a mixture of hydrogen with air is highly explosive. Hydrogen is prepared in the lab by the action of acids on metal's dilute. Sulphuric acid is added to granulated zinc.
AshleyMuteroStephan:
apparatus are like item used e.g test tube etc...
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