Name:_______________ Date:___________ Subject: Science Strand: Chemistry Grade :VII
Test: Chemistry in everyday life
1. Differentiate between Burning and Combustion.
Burning
T.M:
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Combustion
2. Word equation for combustion is:
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3. Why do you think the following bag of crisps contains 86% and 14 % doritios?
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4. Match the following
bronze
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tarnished
Silver
patina
Copper
Verdigris
5. Match different ways of rust prevention with the correct column:
Covering steel with
Coated with thin layer of tin
chromium
Steel used in canned
Chromium plating
food
Steel used in girders
Stainless steel (nickel +
chromium)
Steel use in culinary
Galvanizing
First Steps 2021-2022
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