3. Action of Metals on Acids
1.Place approximately 5ml of 6 N HCl in each of the five test tubes.
2.To the first test tube, add a small strip of magnesium ribbon.
3.Test the issuing gas by inverting a dry test tube over the first in order to collect the gas.
4.Move the inverted test tube sideward and quickly insert a burning splint.
5.Add to the second test tube, a small piece of aluminum; to the third, a small clean iron nail; to the fourth, a piece of mossy zinc; and to the fifth, a piece of copper wire.
6.Invert a clean and dry test tube to each of the reacted substances.
7.Test the presence of the gas with burning splint from each inverted test tube.
Q1. Which of the metals can displace hydrogen from hydrochloric acid?
Q2. What metals cannot displace hydrogen from hydrochloric acid?
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