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प्रश्न
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.
उत्तर
1) B
2) A
3) C
APPEARS IN
संबंधित प्रश्न
Name the products formed when hot and concentrated sulphuric acid reacts with Sugar.
Give reason for the following:
When carbon is heated with concentrated sulphuric acid, carbon dioxide is formed.
Give reason for the following:
When concentrated sulphuric acid is added to sugar/glucose, a black mass is left behind.
How are the following conversion brought about? Give equation and condition:
Sucrose to sugar charcoal.
Give one equation to show the following properties of sulphuric acid:
As a non-volatile acid
Write the observation for the following:
Decomposition of bicarbonates by dil. H2SO4
\[\ce{2NaHCO3 + H2SO4 -> Na2SO4 + 2H2O + 2CO2}\]
Identify the gas evolved and give the chemical test in the following case:
Dilute hydrochloric acid reacts with iron (II) sulphide.
Identify the salts P and Q from the observation given below:
On performing the flame test salt P produces a lilac coloured flame and its solution gives a white precipitate with silver nitrate solution. Which is soluble in ammonium hydroxide solution.
Give two balanced reactions of each type to show the following property of sulphuric acid:
Dehydrating nature
Give a chemical test to distinguish between dilute sulphuric acid and dilute hydrochloric acid, (using lead nitrate solution).
