Hello boys and girls,
Matherials:
1. Red litmus paper
2. blue litmus paper
3. sodium hydroxide
4. hydrochioric acid
5. pipette
6. 4 test tubes
Steps:
1. rip litmus paper in half and put half in each test tube.
2. add 3 drops of hydrochioric acid to the blue litmus paper in test tube 1.
3. add 3 drops of hydrochioric acid to the red litmus paper in test tube 2.
4. add 3 drops of sodium hydroxide to the blue litmus paper in test tube 3.
5.add 3 drops of sodium Hydroxide to the red litmus paper in test tube 4.
We did the expierment and it was pretty amazing. The hydrochioric acid turned the blue paper red and the hydroxide turned the red paper blue.
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