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Name the compound Al(2)(SO(4))(3), and m...

Name the compound `Al_(2)(SO_(4))_(3)`, and mention the ions present in it.

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The compound is called aluminium sulphate, cation : `Al^(3+), "anion": (SO_(4))^(2-)`
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DINESH PUBLICATION-ATOMS AND MOLECULES-VERY SHORT ANSWER QUESTIONS
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  15. An element has valency 3. Write the formula of its oxide.

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