Advertisements
Advertisements
प्रश्न
State two characteristics of Basic oxides.
Advertisements
उत्तर
Basic oxide
- Formed when metals are burnt in air
- turn red litmus to blue.
eg. potassium oxide [K2O]
APPEARS IN
संबंधित प्रश्न
What happens when a glowing splinter is introduced in a jar containing oxygen ?
What happens when oxygen gas is passed through alkaline pyrogallol solution ?
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 _________.
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.
Write ‘True’ or ‘False’ in front of following statement.
Under laboratory conditions, the oxygen gas is insoluble in water.
Give tests for oxygen gas.
Give reasons for the following:
patients suffering from lung problems are kept in an oxygen tent.
Give reasons for the following:
oxygens finds utility in welding & cutting of metals.
Write about the combustible property of Oxygen.
Write a note on the rusting process.
