Chemistry-10th Acids, Bases and Salts CBSE Board 2024 Medium
A few crystals of ferrous sulphate were taken in a dry boiling tube and heated. Tiny water droplets were obse…
A few crystals of ferrous sulphate were taken in a dry boiling tube and heated. Tiny water droplets were observed in the tube after some time.
- (i)From where did these water droplets appear ? Explain.
- (ii)What colour change will be observed during heating ?
- (iii)How many molecules of water are attached per molecule of crystal ? Write the molecular formula of crystalline forms of (I) Copper sulphate, and (II) Sodium carbonate.
- (iv)State how is Plaster of Paris obtained from gypsum. Write two uses of Plaster of Paris.
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