Chemical Properties and Changes
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9 Terms
1
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When particles re-arranged it is called
Chemical properties
2
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How does chemical change takes place
Two substances react and a new substance is produced which is unlike either of the used in the original
3
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Do all substances react at the same pace
No. Some substances react quickly while others react slowly
4
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Name TWO types of chemical reactions
Combustion
Decomposition
5
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Name TWO ways energy is given off
Heat
Light energy
6
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What are the two effects of chemical change on food
Spoil
Rust
7
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List TWO ways of preserving food
Freezing
Drying
8
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How can we avoid tools from rusting
We can avoid rust by keeping it well-oiled
9
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What is the name of the substance that prevents rusting
Antioxidants
Note 
Flashcards (72)