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प्रश्न
Name the catalyst used in the process.
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उत्तर
Vanadium pentoxide is the catalyst used in the process.
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संबंधित प्रश्न
Why is concentrated sulphuric acid kept in air tight bottles?
Name the following:
Products obtained by treating ferrous sulphide with dilute sulphuric acid.
What would you observe in the following case?
Dilute sulphuric acid is added to ferrous sulphate solution.
Give reason for the following:
Concentrated sulphuric acid should not be added to oxalic acid or formic acid in the open laboratory.
Choose the current answer from the options given below :
When conc. H2SO4 comes in contact with sugar, it becomes black due to
A, B, C and D summarize the properties of sulphuric acid depending on whether it is dilute or concentrated. Choose the property (A, B, C or D), depending on which is relevant to each of the preparations (i) to (ii).
A. Dilute acid (typical acid properties)
B. Non-volatile acid
C. Oxidizing agent
D. Dehydrating agent
(i) Preparation of hydrogen chloride.
(ii) Preparation of ethane from ethanol
(iii) Preparation of copper sulphate from copper oxide.
State your observation for the following case :
Dry red rose petals are placed in the jar of sulphur dioxide.
What would you observe in the following case:
Sugar crystals are added to a hard glass test tube containing concentrated sulphuric acid.
Give balanced chemical equation to prepare the following salt:
Sodium sulphate using dilute sulphuric acid
Hydrogen chloride gas is prepared in the laboratory by the action of concentrated sulphuric acid on sodium chloride.
Give a balanced chemical equation for the above reaction.
