Give balanced equation to obtain oxygen from Silver oxide.

One Line Answer

Silver oxide

2Ag₂O → 4Ag + O₂ ↑

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Properties of Oxygen

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Chapter 7: Air and Atmosphere - Additional questions 3

Chapter 7 Air and Atmosphere
Additional questions 3 | Q 4.2

An oxide and a carbonate containing oxygen.

Why is oxygen collected by downward displacement of water?

The natural way of adding oxygen to air which involves green plants is called

Fill in the blank:

Manganese dioxide acts as a _________.

Why is potassium chlorate is not used for laboratory preparation of oxygen ?

Fill in the blank space by choosing the correct word from the given list.

List: sulphurous, nitric acid, red lead oxide paint, oxygen, phosphoric

Potassium nitrate crystals on heating strongly yield potassium nitrite and ________ gas.

Give tests for oxygen gas.

Give reason for the following:

Oxygen gas does not affect moist blue litmus paper, but carbon dioxide turns it slightly pink.

Mention the physical properties of oxygen.

Oxygen is a poor conductor of heat and electricity.