Advertisements
Advertisements
प्रश्न
Why is potassium chlorate not used for laboratory preparation of oxygen ?
Advertisements
उत्तर
Potassium chlorate needs heating for quite sometime (to a high temperature) before it decomposes.
APPEARS IN
संबंधित प्रश्न
The most abundant element in the earth’s crust.
What happens when potassium nitrate is heated
Why is potassium chlorate is not used for laboratory preparation of oxygen ?
What happens when Sulphur burns in oxygen ? Also give the balanced chemical equation for the reaction.
How will you obtain dry oxygen in the laboratory?
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.
Describe what you will observe and write fully balanced equation when the following is introduced in a jar of oxygen.
Burning magnesium
Give reasons for the following:
patients suffering from lung problems are kept in an oxygen tent.
Give reason for the following:
Oxygen gas does not affect moist blue litmus paper, but carbon dioxide turns it slightly pink.
Write the reaction of oxygen with non–metals.
