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Friday, April 9, 2021

The Acid Rain experiment

 What is Acid Rain?

-Acid Rain is the Precipitation that has a ph of less than that of natural rainwater which is about 5.6 due to dissolved carbon dioxide.

Aim of the Experiment : To observe effects of Acid Rain

Experiment: Petal, calcium Carbonate, Apple,Universal indicator, Bromothymol Blue.

Method: In a petri dish place items around edge. Wet dry ingredients with drop of water. In the middle put a weigh boat. Add Spatula and Sodium sulfate to weight boot. Add 5 drops of sulfuric Acid. Quickly Close.

Hypothesis: I think it will dissolve and it will make rain

Observation: When the spatula and Sodium sulfate was add to the petri dish there was a change in colour starting with the flower turn in to light pink. The calcium Carbonate clumped together. The Apple lost its colour. Universal Indicator colour turn to red. Then the Bromothymol Blue Colour turn to orange.


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