Advertisements
Advertisements
प्रश्न
State two characteristics of Acidic oxides.
Advertisements
उत्तर
Acidic oxides
- Formed when non metals are burnt in oxygen
- When dissolved in water form acids, eg. carbon dioxide [CO2]
APPEARS IN
संबंधित प्रश्न
Fill in the blank:
Oxygen occupies about ______ of air by volume.
Complete and balance the following equation
Al + O2 →
Fill in the blank space by choosing the correct word from the given list.
List: sulphurous, nitric acid, red lead oxide paint, oxygen, phosphoric
Phosphorus pentaoxide on dissolving in water forms _________ acid.
Tick (√ ) the most appropriate answer.
When sulphur burns in oxygen, the colour of the flame 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?
State three uses of oxygen, other than artificial respiration.
Give reasons for the following:
oxygens finds utility in welding & cutting of metals.
Give reason for the following:
Oxidation of sulphur results in a product which turns moist blue litmus red.
Oxygen is a poor conductor of heat and electricity.
Write a note on the rusting process.
