Advertisements
Advertisements
प्रश्न
Pick the odd member from the list, giving reasons:
पर्याय
Copper oxide
Aluminium oxide
Sodium oxide
Magnesium oxide
Advertisements
उत्तर
Copper oxide
Reason:
Copper oxide, because CuO is less reactive, can be reduced by C, CO or hydrogen, whereas Al2O3, Na2O, MgO are reduced by electrolysis.
APPEARS IN
संबंधित प्रश्न
Copy and complete the following equations:
- \[\ce{AlN + H2O ->}\]
- \[\ce{2NH3 + 3PbO ->}\]
- \[\ce{NH3 + 3Cl2 ->}\]
- \[\ce{NH3 + CO2 ->}\]
-
- Which property of ammonia is illustrated by equation (c)?
- What important fertiliser is prepared from equation (d)? State the conditions.
Copy and complete the following equation.
2NH3 + 3PbO →
Copy and complete the following equation.
NH3 + 3CI2 →
which property of ammonia is illustrated by above equation
What are the main refrigerants used and how do they cause ozone deplation?
Explain the following:
Ammonia cannot be collected over water.
Explain the following:
Aqueous ammonia conducts electricity.
Give two reasons to show that the solution of ammonia in water contains hydroxylions.
A gas ‘P’ gives dense white fumes with chlorine. Its aqueous solution gives a blue colour with copper (II) hydroxide. Give the name and formula of the gas P.
