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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.
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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
Write balanced chemical equations to show how SO3 is converted to Sulphuric acid in the contact process.
Distinguish between the given pair of compounds using the test given within brackets:
Sodium nitrate and sodium sulphite (using dilute sulphuric acid).
Give two balanced reactions of the type to show the following property of sulphuric acid:
Acidic nature
Give two balanced reactions of the type to show the following property of sulphuric acid:
Oxidising agent
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.
Choose the current answer from the options given below :
When conc. H2SO4 comes in contact with sugar, it becomes black due to
Give reason for the following:
Concentrated sulphuric acid is kept in airtight bottles.
Write the balanced chemical equation for the following conversion:
Lead sulphate from lead nitrate solution and dilute sulphuric acid.
An acid obtained from concentrated nitric acid on reaction with Sulphur ______.
