Advertisements
Advertisements
Question
State at least two ways of prevent rusting.
Advertisements
Solution
Two ways of prevention of rusting :
- Painting with red lead.
- Oil paint is applied on doors and windows.
- Enamel coating. Enamel is a mixture of iron, and steel with silicates.
- Coal tar it is used for coating the lower parts of ships and bridges.
APPEARS IN
RELATED QUESTIONS
Define the term acid rain.
A mixture of oxygen and carbon dioxide used for artificial respiration.
What is rust ?
Fill in the blanks :
Oxides of sulphur and nitrogen combine with rain water to form ___________ and _________ which cause ____________.
What happens when potassium nitrate is heated ?
What is rusting?
In the laboratory preparation of oxygen from hydrogen peroxide answer the following:
Draw a neat labelled diagram for the method used in the above preparation.
Distinguish between:
Combustion and Respiration
Name the following:
The pollutant which combines with water vapour to give sulphuric acid – a product of acid rain.
In Rockets, along with fuel, oxygen is also carried for combustion – why?
