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multiple choice questions. encircle the correct answer.during the process of crystallization the hot saturated solution:(a) is cooled very slowly to get large sized crystals.(b) is cooled at a moderate rate to get medium sized crystals.(c) is evaporated to get the crystals of the product.(d) is mixed with an immiscible liquid to get the pure crystals of the product.

multiple choice questions. encircle the correct answer.during the process of crystallization the hot saturated solution:(a) is cooled very slowly to get large sized crystals.(b) is cooled at a moderate rate to get medium sized crystals.(c) is evaporated to get the crystals of the product.(d) is mixed with an immiscible liquid to get the pure crystals of the product.

1. (a) explain ।.(iii) mole.

1. (a) explain ।.(iii) mole.

1. (a) explain (i) empirical formulal

1. (a) explain (i) empirical formulal

example-1caiculate the volume of gas produced at standard temperature and pressure by the combubtion of 20 grams of

example-1caiculate the volume of gas produced at standard temperature and pressure by the combubtion of 20 grams of

6. with the help of logarithm table find the values of:(a)

6. with the help of logarithm table find the values of:(a)

2. give the structural formulas of:(iii) diethyl acetylene

2. give the structural formulas of:(iii) diethyl acetylene