Advertisements
Advertisements
प्रश्न
Answer the question below:
Why hydrated copper sulphate turns white on heating.
उत्तर
Because copper sulphate crystals emit water of crystallisation when heated.
\[\ce{\underset{(blue)}{CuSO4.5H2O}<=>[heat][cool]\underset{(white)}{CuSO4} + 5H2O}\]
संबंधित प्रश्न
State whether a sample of the following would increase or decrease in a mass if exposed to air.
Solid CaCI2
Why does common salt get wet during the rainy season?
Name a substance which changes the blue colour of copper sulphate crystals to white.
What happen to the crystals of washing soda when exposed to air? Name the phenomenon exhibited.
State your observation when the following is exposed to the atmosphere.
Washing soda crystals
Answer the question below:
What name is given to the water in the compound copper sulphate-5-water?
Answer the question below:
If copper sulphate-5-water is heated, anhydrous copper sulphate is formed. What is its colour?
Answer the question below:
By what means, other than heating, could you dehydrate copper sulphate-5-water and obtain anhydrous copper sulphate?
Name the salt which on hydrolysis forms basic. Give a balanced equation for the following reaction.
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.
