Q40 of 400 Page 133

What is the nature of the oxide SO2 ? What happens when it is dissolved in water? Write the chemical equation of the reaction involved.

The oxide SO2 is acidic in nature. When the oxide SO2 get dissolved in water it produces Sulphurous acid.

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39 Choose the acidic oxides, basic oxides and neutral oxides from the following:

Na2O; CO2; CO; SO2; ; N2O; H2O.

 39 Which of the following are amphoteric oxides:

MgO, ZnO, P2O3, Al2O3, NO2

 40 What is the nature of the oxide Na2O? What happens when it is dissolved in water? Write the chemical equation of the reaction involved. 41 What type of oxides are formed when non-metals react with oxygen? Explain with an example.