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O Level Notes : Chemistry - Salts

O level Chemistry

O Level Notes : Chemistry - Salts

zimsake   Aug 30, 2021  0  897

All salts are ionic compounds. A salt is formed when a metallic ion or an ammonium ion replaces one or more hydrogen ions of an acid. We will study about this substance in detail in this topic.

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IGCSE NOTES : Biology - Human nutrition and Diet

O level Biology

IGCSE NOTES : Biology - Human nutrition and Diet

zimsake   Jul 17, 2021  0  664

All living organisms need food. An important difference between plants and animals is that green plants can make food in their leaves but animals have to take it in ‘ready-made’ by eating plants or the bodies of other animals.

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