PRAZZER- TEST LIQUID OF ACIDIC, ALKALINE, NEUTRAL

Appaatus :

Ø  1 Spotting tile

Ø  2 Pipette drops

Ø  3 Litmus paper

Ø  4 pH paper universal

Ø  5 glass chemist

Material:

Ø  1 Water

Ø  2 Salt

Ø  3 Detergent

Ø  4 Msg

Ø  5 Soap

Ø  6 Sugar

Ø  7 Milk

Ø  8 Baking soda

Ø  9 And some domestic substance

Steps

Ø  1 place the material in the spotting tile

Ø  2 put to the pipette drops of liquid, when solid, melted first with mineral water

Ø  3 place the material in the test at spotting tile and put a name to avoid confusion to enter data,

Ø  4  add a drop of each solution to the pH paper

Ø  5 using pH colour chart, estimate the pH value with pH Universal of each substance

Ø  6 Observe the change in colour. If the colour turns reddish, the chemical you are testing is an acid. If the water turns bluish, the chemical you are testing is a base. If it stays the same, the chemical is neutral, like water

Ø  7 after finish test material, complete data in the table result

Ø  8 after that make conclusion

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