In this exercise, it was required to observe carefully what happened when certain substances were heated in a burner, and to note the appearance of the residue after heating.

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BrandonJoseph 4B

Date: 5th March 2012

Title: The effects of heating different substances

Introduction: In this exercise, it was required to observe carefully what happened when certain substances were heated in a burner, and to note the appearance of the residue after heating.

Aim: To observe the effects of substances when heated.

Apparatus: test tube

Blue and Red litmus paper

Tongs

Bunsen burner

Spatula

Distilled water

Glowing splint

Lead(II) nitrate

Copper (II) sulphate

Ammonium chloride

Zinc sulphate

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Cupric carbonate

Method: A spatula was used to place 1g of  Zinc sulphate into a test tube. Distilled water was used to dampen the red and blue litmus paper. Using the flame of the Bunsen burner the splint was lit and then blown out leaving a glowing splint. The tongs was used to hold the test tube over the lit Bunsen burner and the blue and red litmus paper was held at the opening of the test tube. The glowing splint was then placed inside test tube. Observations relating to the red and blue litmus and the glowing splint were ...

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