Punjab 11th Class Chemistry Chapter 2 Experimental Techniques in Chemistry MCQs Test Online Punjab 11th Class Chemistry Chapter 2 Experimental Techniques in Chemistry MCQs Test Online 12345 Question 1 of 5Chemistry 1. During the process of crystallization, the hot saturated solution:1.is cooled at a moderate rate to get medium sized crystals.2.is evaporated to get the crystals of the product.3.is mixed with an immiscible liquid to get the pure crystals of the product4.is cooled very slowly to get large sized crystals. Question 1 of 5Question 2 of 5 2. Solvent extraction is an equilibrium process and it is controlled by.1.distribution law2.the amount of solute.3.the amount of solvent used 4.law of mass actionQuestion 2 of 5Question 3 of 5 3. A filtration process could be very time consuming if it were not aided by a gentle suction which is developed:1.if the paper covers the funnel up to its circumference.2.if the paper fits tightly3.if the paper has got small sized pores in it,4.if the stem of the funnel is large, so that it dips into the filtrate. Question 3 of 5Question 4 of 5 4. The comparative rates at which the solutes move in paper chromatography, depend on:1.size of paper used.2.Rf values of solutes.3.size of the chromatographic tank used4.temperature of the experiment.Question 4 of 5Question 5 of 5 5. Solvent extraction method is a particularly useful technique for separation when the product to be separated is?1.volatile Or thermally stable.2.non- volatile or thermally stable.3.volatile or thermally unstable.4.non- volatile or thermally unstable.Question 5 of 5 Loading... Test By Subject Punjab Test By Topics 11th Class Chemistry You Can Learn and Gain more Knowledge through our Online Quiz and Testing system Just Search your desired Preparation subject at Gotest.