1. What is the universal indicator colour of a weakly alkali solution?

Question 1 of 14

2. Is iron (III) hydroxide acidic or basic?

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3. State the colour of phenolphthalein in acidic and alkaline solutions

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4. What is the formula for potassium chloride?

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5. A gas is bubbled through limewater and the limewater goes cloudy. Identify the gas.

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6. Are non-metal oxides acidic or basic?

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7. acid + metal carbonate →

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8. What is an alkali?

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9. Can a base neutralise an acid?

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10. Balance the equation for the reaction: ___ HCl(aq) + ___ MnO₂(s) → ___MnCl₂(aq) + ___H₂O(l) + ___ Cl₂(g)

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11. What colour flames to sulfur, carbon and magnesium produce when they burn in air?

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12. How can metal carbonates be used to produce carbon dioxide?

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13. What is the pH of a strong acid?

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14. If iron oxide has the formula FeO, what is the formula of the iron ion?

Question 14 of 14