Advertisements
Advertisements
प्रश्न
Give reason for the following:
Concentrated sulphuric acid is kept in airtight bottles.
Advertisements
उत्तर
Concentrated sulphuric acid absorbs water vapours from the atmosphere. Hence it should be kept in air tight bottles.
APPEARS IN
संबंधित प्रश्न
Write balanced chemical equations to show how SO3 is converted to Sulphuric acid in the contact process.
State the inference drawn from the following observations:
Salt S is prepared by reacting dilute sulphuric acid with copper oxide. Identify S.
Give two balanced reactions of the type to show the following property of sulphuric acid:
Acidic nature
Give a chemical test to distinguish between dilute sulphuric acid and conc. sulphuric acid.
Name the products formed when hot and concentrated sulphuric acid reacts with Copper.
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.
Describe the reaction that show
Dilute sulphuric acid behaves as dibasic acid.
What do you observe when barium chloride solution is added to dilute sulphuric acid ?
Dilute hydrochloric acid and dilute sulphuric acid are both colourless solutions. How will the addition of barium chloride solution to each help to distinguish between the two?
