Advertisements
Advertisements
प्रश्न
Define the following term : Hygroscopic substance
Advertisements
उत्तर
Hygroscopic substance : The compound which absorbs water vapour from the atmosphere.
APPEARS IN
संबंधित प्रश्न
Why is water not added to concentrated H2SO4 in order to dilute it?
Give two balanced reactions of each type to show the following properties of sulphuric acid:
Hygroscopic nature
Give reason for the following:
When concentrated sulphuric acid is exposed to air, its volume increases and it becomes slightly dilute.
How are the following conversion brought about? Give equation and condition:
Sodium chloride to hydrogen chloride.
How will you distinguish between dilute H2SO4 and conc. H2SO4 ?
Name the catalyst used in the process.
Write balanced equation for potassium hydrogen carbonate and dilute sulphuric acid.
What property of sulphuric acid is shown by the reaction of concentrated sulphuric acid when heated with potassium nitrate?
Write the balanced chemical equation for the following conversion:
Lead sulphate from lead nitrate solution and dilute sulphuric acid.
Distinguish between the following pair of compounds using the test given with brackets:
Dilute sulphuric acid and dilute hydrochloric acid (using barium chloride solution)
