Page 51 - ICSE Chemistry 6

APPLY YOUR LEARNING

Robin wants to separate iron from a mixture of iron and sulphur.
(a) Which method of separa on should he use and how it can be done?

(b) Will he be able to separate the two elements using the above method if the mixture is heated?
Why?
(c) Name the compound formed on hea ng.
(d) Diff eren ate between the mixture of iron and sulphur and the compound iron sulphide.
(e) Name the solvent that dissolves sulphur in it.

LIFE SKILLS

Avan ka fi nds water containing chalk powder. She wants to use this water to prepare a model of clay.
However, before doing so, she needs to remove chalk powder from the water. How can she do that?
Avan ka decided to do so because she doesn’t want to waste water. Can you suggest some similar ways
to save water?

INTEGRATE YOUR LEARNING

Integrate with Geography
Name the metals found in the earth’s crust. State various places where mining of gold and coal is done.
Prepare a project and give it a suitable heading. Write uses of metals that you will list. Also write a few lines
about gold mining and coal mining in India. Paste related images. You can use the Internet for searching
informa on and images.

PROJECTS AND ACTIVITIES

Making a Chart
Make a colourful chart of various elements that you have learnt in the chapter and write their symbols.
Present it in a class.

Making a Model
Using s cks and balls, make a model to show the diagramma c representa on of various molecules
taught in the chapter.

Hands on Ac vity
With the help of your teacher, demonstrate the process of fi ltra on and magne c separa on in the
class. You can demonstrate fi ltra on by separa ng tea leaves from tea or chalk powder from a mixture
of chalk powder and water. Similarly, you can demonstrate magne c separa on by separa ng iron from
iron sulphide powder with the help of a magnet.

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