Fsc Part 2 Chemistry Online Test-Chapter 15 Common Chemical Industries in Pakistan

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Sr.#	Question	Answer
1	Cement is a mixture of	A. Clay and clinker B. Clay, lime stone and gypsum C. Lime stone and gypsum D. Lime stone and clay
2	Ammonia is prepared industrially by	A. Contact process B. Ostwald process C. Birkland Eyed process D. Heber process
3	Woody raw material for paper pulp is obtained from	A. Cotton B. Bagasse C. Poplar D. Rice straw
4	During the manufacturing process of cement the temperature of the decomposition zone goes up to.	A. 600 ^oC B. 900 ^oC C. 1000 ^oC D. 1200 ^oC
5	Potassium fertilizers are especially useful for	A. Tobacco B. Coffee C. Potato D. All of these
6	In Pakistan, the total consumption of paper per person per year is.	A. 2 kg B. 5 kg C. 7 kg D. 10 kg
7	The nitrogen present in some fertilizers helps plants	A. to fight against diseases B. to produce fat C. to undergo photosynthesis D. to produce protien
8	Prilling is a process in which	A. Concentration of urea is increased B. Water is removed from urea C. Molten urea is converted to solid drop D. Some other ingredients are added to urea
9	Which woody raw material is used for the manufacture of paper pulp	A. Cotton B. Biogases C. Rice straw D. Poplar
10	What is the function of Head box in paper making machine.	A. It reduces the thickness of paper B. It dry the paper C. It discharge teh pulp at the screen of fourdrinier table D. Web structure is consolidated