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	Which one of the following is calcareous material	A. Marine shells B. clay C. Shale D. Blast furnace slag
3	Setting process of cement is based upon	A. Hydrolysis B. Hydration C. Dehydration D. Botha a and b
4	Which one of the following set of raw material is most suitable for manufacture of urea.	A. CH4, N2 and CO2 B. H2, N2 and CO C. H2,CO2 and H2O D. H2O, N2 and H2
5	Ammonium Nitrate fertilizer is not useful for	A. Wheat B. Cotton C. Sugan cane D. Paddyrice
6	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
7	Which three elements are needed for the healthy growth of plants.	A. N,S,P B. N, Ca, P C. N,P,K D. N,K,C
8	Ammonia is prepared industrially by	A. Contact process B. Ostwald process C. Birkland Eyed process D. Heber process
9	Pulp is washed to remove lignin from it. Due to the presence of lignin in pulp paper becomes.	A. Soft B. Brittle C. Acidic D. Colourless
10	Phosphorus helps in the growth of	A. Root B. Leave C. Stem D. Seed