Page 119 - ICSE Chemistry 8

INTEGRATE YOUR LEARNING

Integrate with Mathema cs

Balance the following equa ons by applying the law of conserva on of mass to the atomic masses of
reactants and products.

CH 4 + O  CO + H O
2
2
2
H 2 + Cl  HCl
2
Integrate with Physics
You must have learnt that the change of state of ma er occurs on the applica on of heat. Does mel ng
and moulding of an iron object to some other object having a diff erent shape obey the law of conserva on
of mass?

PROJECTS AND ACTIVITIES

Crea ng a Presenta on

Create a PowerPoint presenta on on the topic ‘Chemical Equa ons and Their Limita ons’. Insert related
informa on, images and videos using the Internet. Format the presenta on as per your choice.
Making Valency Cards

In a group of four to fi ve students, make valency cards that show the name of the elements, their
symbols and their valency. Shuffl e the cards and each member has to pick up one card from the shuffl ed
cards. All the group members will ask ques ons related to the element that the card shows from the
group member who picks up the card. Mark your score and see who wins the game.

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