Advertisements
Advertisements
Question
Fill in the blank space by choosing the correct word from the given list.
List: oxygen, carbonic, suIphur dioxide gas, precipitation, helium
Every nine parts of water by weight contains eight parts by weight of _________.
Advertisements
Solution
Every nine parts of water by weight contains eight parts by weight of oxygen.
APPEARS IN
RELATED QUESTIONS
Why is hydrogen peroxide preferred in the preparation of oxygen gas ?
Name the three types of oxidation processes. In which of these large amount of heat and light energy are produced?
The natural way of adding oxygen to air which involves green plants is called
Fill in the blank:
Oxygen is ___________ to litmus testing.
Statement given below is incorrect. Write the correct statement :
Calcium burns in oxygen with a golden-yellow flame.
Statement given below is incorrect. Write the correct statement :
The oxygen gas turns moist blue litmus red.
Write ‘True’ or ‘False’ in front of following statement.
Liquid oxygen is used for burning fuel in spaceships.
Tick (√ ) the most appropriate answer.
Sodium burns in oxygen with a flame which is :
(a) Starting from hydrogen peroxide how is oxygen gas prepared in laboratory?
(b) What is the function of manganese dioxide?
(c) Write fully balanced equation for the liberation of oxygen from hydrogen peroxide.
(d) Why is the above method preferred to any other method?
Describe what you will observe and write fully balanced equation when the following is introduced in a jar of oxygen.
Burning magnesium
