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Thursday, 16 September 2021

Acid (Science class)

 What is an acid?

An acid is a liquid that has a PH(Power of hydrogen) level of between 1-7, it tastes sour and is used batteries and in our stomachs



What are 3 examples of acids?

Lemons- Citric acid

Vinegar-acetic acid

Batteries- sulphuric acid


Red Cabbage indicator experiment

Materials

  1. Red cabbage
  2. Beaker
  3. Bunsen burner
  4. Pipette
  5. Sodium Hydroxiden
  6. Hydrocloric Acid
  7. Test tubes
  8. Paper towel
  9. Test tube rack
  10. Water
  11. Dishwashing powder
  12. Floor cleaner
  13. Fabric softener

Sodium hydroxden-PH level of 12-13
Hydrocloric acid- PH level of 2 (also corrosive)
Dishwashing powder-Ph level of 12-13
Floor cleaner-Ph level of 3
Fabric softener-Ph level of 2

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