Question

For laboratory preparation of hydrogen, , used method of collection, chemical equation​

Answer 1

Answer:

Hydrogen is prepared by the reaction of between a metal and dilute acid.

ZINC GRANULES AND DILUTE SULPHURIC ACID

• Put some zinc granules in flat bottomed flask and add some copper(2) sulphate.
• fix a thistle funnel using a cork on to the mouth of the flask.
• connect the flask to a gas jar which is is over a beehive shelf through a deliver tube.
• add dilute sulphuric acid from the thistle funnel to zinc granules in flask.
• test gas with a burning splint of wood.

• allow the first bubbles to escape and collect gas using upward delivery.

Explanation:

method of collection

upward delivery

chemical equation

Zn(s)+H2SO4(aq)- ZnSO4(aq)+H2(g)

Answer 2

Answer:

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