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प्रश्न
Give reason for the following:
Concentrated sulphuric acid should not be added to oxalic acid or formic acid in the open laboratory.
उत्तर
Concentrated sulphuric acid should not be added to oxalic acid or formic acid as it removes water and forms carbon monoxide. Carbon monoxide is harmful for health so this addition must be done in an open laboratory.
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संबंधित प्रश्न
Give balanced chemical equations for the action of sulphuric acid on the following:
Sulphur
Give two balanced reactions of each type to show the following properties of sulphuric acid:
Hygroscopic nature
Name the following:
Products obtained by treating zinc with dilute sulphuric acid.
Name the following:
The precipitate obtained by treating carbon with hot concentrated sulphuric acid.
How are the following conversion brought about? Give equation and condition:
Dilute sulphuric acid to hydrogen.
Name the gas evolved in following case:
The gas produced by the action of concentrated sulphuric acid on sodium chloride.
Write balanced chemical equation to show :
The dehydrating property of conc.sulphuric acid
Dilute sulphuric acid will produce a white precipitate when added to a solution of ______.
Write a balanced equation for the following conversion:
Lead sulphate from lead nitrate and sulphuric acid.
A, B and C are the chemical properties of sulphuric acid:
A. Oxidizing agent
B. Dehydrating agent
C. Non-volatile acid
Match the following equations 1 to 3 to the above chemical properties of sulphuric acid.
1. \[\ce{KNO3 + H2SO4 -> KHSO4 + HNO3}\]
2. \[\ce{C12H22O11 -> 12C + 11H2O}\]
3. \[\ce{S + 2H2SO4 -> 2H2O + 3SO2}\]
