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प्रश्न
An oxide and a carbonate containing oxygen.
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उत्तर
Mercuric oxide and potassium chlorate.
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संबंधित प्रश्न
The most abundant element in the earth’s crust.
Fill in the blank:
Manganese dioxide acts as a _________.
How will you obtain dry oxygen in the laboratory?
State two characteristics of Basic oxides.
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?
Write fully balanced equation for the following :
SO2 + H2O →
Give tests for oxygen gas.
Give reasons for the following:
oxygens finds utility in welding & cutting of metals.
