Hydrogen Gas Production

What materials are required for the main reaction?

• Zinc metal and hydrochloric acid

• Copper and sulfuric acid

• Iron and nitric acid

• Aluminum and acetic acid

What laboratory equipment is necessary for the experiment?

• Test tube or flask, rubber cork, delivery tube, water-filled jar, stand and clamp

• Beaker, thermometer, Bunsen burner

• Pipette, petri dish, microscope

• Graduated cylinder, funnel, filter paper

What safety equipment is mandatory during the experiment?

• Safety goggles

• Gloves

• Face mask

• Lab coat

What is the first step in the procedure?

• Place pieces of zinc metal in the test tube and secure it on the stand

• Add hydrochloric acid to the test tube

• Collect the gas in a jar

• Wear safety goggles

What happens when hydrochloric acid is added?

• Gas is collected immediately

• The reaction produces heat

• The solution turns blue

• Nothing happens

What does the reaction between zinc and hydrochloric acid produce?

• Hydrogen gas and zinc chloride

• Oxygen gas and zinc sulfate

• Carbon dioxide and zinc oxide

• Nitrogen gas and zinc nitrate

How can the collected gas be tested for flammability?