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Chemical Formulae

question 1 of 7 Grade: Form 2
question 1 of 7 Grade: Form 2

Q: Tetraborate is a polyatomic radical and the formula for sodium tetraborate is Na₂B₄O₇. What is the total number of atoms in the formula of aluminium tetraborate? A) 12 B) 13 C) 25 D) 35

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Sulphate ions are tested by adding dilute nitric acid followed by barium nitrate solution. A white precipitate of barium sulphate forms.

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Sulphate ions are tested by adding dilute nitric acid followed by barium nitrate solution. A white precipitate of barium sulphate forms.

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