Advertisements
Advertisements
प्रश्न
State two observations when
A few crystals of KNO3 are heated in a hard glass tube
Advertisements
उत्तर
Oxygen is evolved.
2KNO3→ 2KNO2 + O2
APPEARS IN
संबंधित प्रश्न
State one relevant observation for given reactions:
Action of concentrated Sulphuric acid on hydrated copper sulfate
Distinguish between the given pair of compounds using the test given within brackets:
Sodium nitrate and sodium sulphite (using dilute sulphuric acid).
Why is H2SO4 is not used as a drying agent for H2S?
Define the following term : Hygroscopic substance
Name the following:
Products obtained by treating ferrous sulphide with dilute sulphuric acid.
Name the following :
The precipitate obtained by treating aqueous lead nitrate with dilute sulphuric acid.
How are the following conversion brought about? Give equation and condition:
Dilute sulphuric acid to hydrogen.
State your observation for the following case:
Paper soaked in potassium permanganate solution is introduced into a gas jar of sulphur dioxide.
Give a balanced chemical equation for the action of sulphuric acid on the following:
Sulphur
Write the balanced chemical equation for the following conversion:
Copper sulphate from copper and concentrated sulphuric acid.
