Question

Write the observation and conclusion of the following picture ​

Answer 1

Answer:

Calcium oxide Will form.

Explanation:

I hope it will help you.

Answer 2

Answer:

Observation

The lime water in the test tube turns-milky.

Conclusion-

Air which is sucked in from end 'A' contains-Carbon Dioxide which turns the lime water milky.

[lime water turning milky is a test tube for carbon dioxide gas]

Hence air contains-Carbon Dioxide

Explanation:

Hope it will help you.