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Question
Name a white, insoluble oxide that dissolves when fused with caustic soda or caustic potash.
Solution
Al2O3
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RELATED QUESTIONS
Using sodium hydroxide solution, how will you distinguish:
Iron (II) chloride from iron (III) chloride
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Choose the correct answer from the options given below :
Hydroxide of this metal is soluble is sodium hydroxide solution
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| Aqueous salt solution | Colour of precipitate when NaOH is added in a small quantity | Nature of precipitate (soluble or insoluble) when NaOH is added in excess |
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| Zinc nitrate | (ii) | (vii) |
| Lead nitrate | (iii) | (viii) |
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Write the word equation when ammonium salt is heated with caustic soda solution.
