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प्रश्न
Which of the following about oxides is correct?
पर्याय
A basic oxide is an oxide of a non-metal
Acidic oxides contain ionic bonds
Amphoteric oxides contain a metal
Basic oxides are always gases
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उत्तर
Amphoteric oxides contain a metal
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संबंधित प्रश्न
Match the salts given in Column I with their method of preparation given in Column II.
| Column I | Column II | ||
| 1 | Pb(NO3)2 from PbO | A | Simple displacement |
| 2 | MgCl2 from Mg | B | Titration |
| 3 | FeCl3 from Fe | C | Neutralization |
| 4 | NaNO3 from NaOH | D | Precipitation |
| 5 | ZnCO3 from ZnSO4 | E | Combination |
Name a solution that will separate the component of the following mixture: CaO from PbO
Choose the correct answer from the options given below :
Sodium zincate (Na2ZnO2) is
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1. Calcium
2. Zinc
3. Lead
4. Copper are strongly heat
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\[\ce{CuSO4 ->[A]Cu(OH)2 ->[B] [Cu(NH3)4]SO4}\]
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An amphoteric oxide.
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Write balanced equation for a coloured metallic oxide which dissolves in alkalis to yield colourless solutions.
