Chemistry Practical class XI, XII (11,12)
24. TO SEPARATE THE VOLATILE COMPONENT FROM THE GIVEN MIXTURE OF A VOLATILE AND A NON-VOLATILE SOLIDS.
APPARATUS REQUIRED i) Porcelain basin ii) Funnel iii) Filter Paper iv) Wire gauze v) Tripod stand vi) Burner CHEMICAL REQUIRED i) Sand and Camphor THEORY:…
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12. TO INVESTIGATE THE PHENOMENON OF DIFFUSION.
THEORY: A. Gaseous Diffusion : Diffusion of gasses means the intermixing of gasses through each other in spite of gravitation.…
11. TO DETERMINE THE SOLUBILITY OF THE GIVEN SOLUBLE SOLID AT THE LABORATORY TEMPERATURE.
THEORY: The solubility of a substance at a particular temperature is the amount of the substance in gm required to…
10. TO PREPARE 250 ML OF A STANDARD DECINORMAL SOLUTION OF MOHR’S SALT. AND TO USE IT TO FIND THE MOLAR CONCENTRATION OF THE GIVEN KMnO4 SOLUTION.
THEORY: Mohr's salt is ferrous ammonium sulphate which is more stable than ordinary ferrous sulphate. Hence, it is often used…
9. TO STANDARDISE THE GIVEN KMnO4 SOLUTION AGAINST THE STANDARD OXALIC ACID SOLUTION (PRIMARY STANDARD).
THEORY: It is a redox titration between acidified KMnO4 and oxalic acid. Formula unit equation 2KMnO4+ 3H₂SO4 + 5H₂C₂O4 —--------->…
