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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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16. TO INVESTIGATE THE EFFECT OF PARTICLE SIZE ON THE RATE OF A REACTION
THEORY: The rate of a reaction depends on the particle size also, the greater the surface area of the reactant…
15. TO DETERMINE THE ENTHALPY OF NEUTRALIZATION OF A STRONG ACID AND A STRONG BASE
THEORY: Enthalpy of neutralization is the amount of heat change that takes place when 1 gm equivalent of an acid…
14. TO FIND THE APPROXIMATE pH OF SOME VEGETABLE AND FRUIT JUICES BY USING UNIVERSAL INDICATOR AND PH PAPER.
THEORY: A universal indicator or a ph paper contains a mixture of several acid base indicators and hence can show…
13. TO DETERMINE THE APPROXIMATE PH OF SOME AQUEOUS SOLUTIONS (IN ACIDIC RANGE) BY THE INDICATOR METHOD.
THEORY: All aqueous solutions contain certain amounts of hydrogen ion concentrations. pH of a solution is defined as the negative…
