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BSC Surface Chemistry and Colloids Guess Paper 2017-18

Surface Chemistry and Colloids Guess Paper Important Questions for Surface Chemistry and Colloids Important Questions of Surface Chemistry and Colloids Explain the difference between absorption and adsorption. Discuss the types of adsorption isotherms. Write notes on the following: (a)     Freundlich adsorption isotherms. (b)     Longmuir adsorption isotherms.   What do you understand by the colloidal state […]

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Important Questions of Chapter Metallurgical Operations

Important Questions of Chapter Metallurgical Operations What are ores and minerals? Name some ores of iron, copper and aluminum. What is meant by ore dressing? Name three ores which need benefication and discuss the operations involved in their dressing. How are ores concentrated? Discuss the froth flotation process for the concentration of a sulphide ore. […]

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Important Questions of Chapter Manufacturing Industries

Important Questions of Chapter Industries What is Portland cement? Discuss its composition. Describe the Wet process for the manufacture of cement. What is the raw material used in cement industry? What do you understand by setting of cement? Discuss the prospectus of cement industry in Pakistan. What is the physical testing of cement? Compare the […]

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