Advertisements
Advertisements
प्रश्न
Name a substance which changes the blue colour of copper sulphate crystals to white.
उत्तर
Conc. sulphuric acid.
APPEARS IN
संबंधित प्रश्न
Define efflorescence.
Distinguish between drying and dehydrating agent.
Give reason for the following:
Sodium hydrogen sulphate is not an acid but it dissolves in water to give hydrogen ions, according to the equation
\[\ce{NaHSO4 <=> H+ + Na+ + SO^2-_4}\]
State whether a sample of the following would increase or decrease in a mass if exposed to air.
Solid NaOH.
What happen to the crystals of washing soda when exposed to air? Name the phenomenon exhibited.
Name the salt which on hydrolysis forms acidic. Give a balanced equation for the following reaction.
List the properties of salts.
Name the salt which on hydrolysis forms basic. Give a balanced equation for the following reaction.
Select the correct answer from A, B, C, D and E.
A deliquescent compound.
Give a suitable chemical term for:
The process in which a substance absorbs moisture from the atmospheric air to become moist, and ultimately dissolves in the absorbed water.
