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Oxygen questions

Oxygen questions | form two Chemistry

Find Oxygen examination questions, form two Chemistry in acaproso.com

# Question
1

Write the reaction equation for the preparation of oxygen by decomposition of
hydrogen peroxide by using manganese IV oxide as a catalyst.


Short answers
2

Mention four chemical properties of Oxygen.


Short answers
3

Why oxygen as one of the components of air is unique?
A It support combustion
B It is a diatomic gas.
C It forms the largest part of the air.
D It has the largest density.


Multiple choices
4

Write chemical formulae of the two compounds from which oxygen gas can be prepared by decomposition.


Short answers
5

What are the three physical properties of oxygen gas?


Short answers
6

Why is it important to have abundant oxygen gas on the Earth? Give five reasons.


Short answers
7

By giving one reason, explain the following facts:

  1. During laboratory preparation of oxygen gas, little manganese dioxide is added to hydrogen peroxide.
  2. Fish can obtain oxygen for respiration although they spend their lives in water.
  3. Oxygen gas can be used for welding activities although it does not burn.

Short answers
8

Which property enables the use of hydrogen gas in

  1. filling weather balloons?
  2. production of oxy-hydrogen flame?

Short answers
9

Give two domestic uses of oxygen gas.


Short answers
10

Outline six common apparatus used in Laboratory preparation of Oxygen gas using hydrogen peroxide.


Short answers