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प्रश्न
State two observations when
A few crystals of KNO3 are heated in a hard glass tube
उत्तर
Oxygen is evolved.
2KNO3→ 2KNO2 + O2
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संबंधित प्रश्न
Write balanced chemical equations to show : The oxidizing action of conc. Sulphuric acid on carbon
State your observations when Concentrated Sulphuric acid is added to Sugar Crystals
A, B, C, and D summarize the properties of sulphuric acid depending on whether it is dilute or concentrated.
A = Typical acid property
B = Non volatile acid
C = Oxidizing agent
D = Dehydrating agent
Choose the property (A, B, C or D) depending on which is relevant to each of the following
1) Preparation of Hydrogen chloride gas
2) Preparation of Copper sulphate from copper oxide.
3) An action of conc. Sulphuric acid on Sulphur.
Give two balanced reactions of the type to show the following property of sulphuric acid:
Acidic nature.
Give reason for the following:
When solution of sulphur dioxide is exposed to air, it gets converted to sulphuric acid.
Describe the reaction that show
Concentrated sulphuric acid is a dehydrating agent.
State your observation for the following case :
Paper soaked in potassium permanganate solution is introduced into a gas jar of sulphur dioxide.
State one appropriate observation of the following:
Concentrated sulphuric acid is added dropwise to a crystal of hydrated copper sulphate.
Give one equation to show the following properties of sulphuric acid:
As a non-volatile acid
Dilute sulphuric acid will produce a white precipitate when added to a solution of ______.
