Advertisements
Advertisements
प्रश्न
Fill in the blank space by choosing the correct word from the given list.
List: sulphurous, nitric acid, red lead oxide paint, oxygen, phosphoric
To prevent rusting, the underside of the ships is coated with __________________.
उत्तर
To prevent rusting, the underside of the ships is coated with red lead oxide paint.
APPEARS IN
संबंधित प्रश्न
A mixture of oxygen and carbon dioxide used for artificial respiration.
State at least two ways of prevent rusting.
Fill in the blank by choosing the correct word from the given list.
List: oxygen, carbonic, suIphur dioxide gas, precipitation, helium
____________ gas can cause acid rain.
State how nitrogen is utilised by plants for their growth. Give a reason why nitrogen is used in flushing food packages.
Describe simple experiments to show the presence of -
carbon dioxide in air using a test tube with outlets containing lime water.
Identify the acidic oxides responsible for acid rain. State how their presence results in formation of acid rain. Give a reason why acid rain damages heritage buildings.
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.
In the laboratory preparation of oxygen from hydrogen peroxide answer the following:
Name the catalyst used in the preparation and state it’s function.
Distinguish between:
Combustion & Rusting with suitable word equations only?
Name the following:
The pollutant which combines with water vapour to give sulphuric acid – a product of acid rain.
