Materials:
Red Litmus paper
Blue Litmus paper
Sodium Hydroxide
Hydrochloric acid
4 Test tubes
Steps:
Steps:
Rip the litmus paper in half and put half in each test tube.
Add 3 drops of hydrochloric acid to the blue litmus paper in test tube 1.
Add 3 drops of hydrochloric acid to the red litmus paper in test tube 2.
Add 3 drop of Sodium Hydroxide to the blue litmus paper in test tube 3.
Add 3 drops of Sodium Hydroxide to the red litmus paper in test tube 4.
Findings:
The blue litmus paper with hydrochloric acid went light and stayed the same colour.
The blue litmus paper with sodium hydroxide went darker and kind of changed colours.
The red litmus paper with hydrochloric acid went to another colour in the middle.
The red litmus paper with sodium hydroxide went the same colour.
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