Classify Calcium oxide. Also give a balanced equation to prepare it.

One Line Answer

calcium oxide → Basic oxide

2Ca + O₂→ 2CaO

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Chapter 7: Air and Atmosphere - Additional questions 3

Chapter 7 Air and Atmosphere
Additional questions 3 | Q 9.03

Statement given below is incorrect. Write the correct statement :

Carbon dioxide gas allows the earth to radiate out heat rapidly.

Write ‘True’ or ‘False’ in front of following statement.

Enamelling is the process of baking a mixture of silicates on the surface of aluminium at a high temperature.

Write ‘true’ or ‘false for the following;

The major component of air is oxygen.

Name the following:

The product of respiration released in exhaled air, other than carbon dioxide.

Tabulate the various components of air, including the components with variable composition.

Of the total volume of air – 4/5th is nitrogen. State the utility or consequence of this ratio.

Solvay process is a method to manufacture

Which gas in the atmosphere is essential for respiration?

Air contains a small amount of CO₂, Water vapour, and some other gases like ______, etc.

Venus's atmosphere consists of roughly 96 – 97% of ______.