Advertisements
Advertisements
प्रश्न
State your observation for the following case :
Moist blue litmus is introduced into a gas jar of sulphur dioxide.
Advertisements
उत्तर
Litmus turns blue to red, and then gets bleached.
APPEARS IN
संबंधित प्रश्न
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.
In the contact process for the manufacture of sulphuric acid give the equations for the conversion of sulphur trioxide to sulphuric acid.
Give reason for the following:
When carbon is heated with concentrated sulphuric acid, carbon dioxide is formed.
Give reason for the following:
Ammonia gas cannot be dried by passing through concentrated sulphuric acid.
Give reason for the following:
Cotton clothes get burnt with concentrated sulphuric acid.
How will you distinguish between dilute H2SO4 and conc. H2SO4 ?
Write balanced equation for the reaction of dilute sulphuric acid with the following:
Zinc hydroxide
Write balanced equation for potassium hydrogen carbonate and dilute sulphuric acid.
Write balanced chemical equation to show :
The behavior of H2SO4 as an acid when it reacts with magnesium.
