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Acids and Bases
heftet,
2009,
Engelsk,
ISBN 9780778742463
Did you know that cola is an acid? And your saliva is a base? Young readers will learn about common acids and bases from lemon juice to ammonia. Through vivid examples and exciting …
Chemical Changes
heftet,
2009,
Engelsk,
ISBN 9780778742487
Through exciting, familiar examples and engaging illustrations, readers will discover how chemicals react and change. Topics include how chemicals react with one another, chemical …