How will you prove that oxide formed by burning sodium is basic in nature? - Chemistry

How will you prove that oxide formed by burning sodium is basic in nature?

Short Note

The sodium oxide dissolves in water to form sodium hydroxide, which turns red litmus paper blue. Hence, sodium oxide is basic in nature.

Na₂O + H₂O → NaOH

Sodium oxide Water Sodium hydroxide

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Burning and Combustion

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Chapter 7: Air and Atmosphere - Additional objective type questions 2

Chapter 7 Air and Atmosphere
Additional objective type questions 2 | Q 10.1

What is rust ?

State at least two ways of prevent rusting.

State and explain two ways by which air gets polluted in nature.

Oxygen of the air is utilised for ‘combustiop’ and for ‘respiration’. Compare the two with a suitable examples.

Describe simple experiments to show the presence of -

oxygen and nitrogen component in air using a bell jar

Describe simple experiments to show the presence of -

carbon dioxide in air using a test tube with outlets containing lime water.

In the laboratory preparation of oxygen from hydrogen peroxide answer the following:

Name the catalyst used in the preparation and state it’s function.

Distinguish between:

Combustion and Respiration

Give the main experimental points only to demonstrate that magnesium.

Name the following:

The gas required for both combustion and rusting.