A. lime stone
B. gypsum
C. KNO3
D. iron oxide
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Related Mcqs:
- The composition of mixture of clay and lime stone in the raw for cement material is __________________?
- A. 75% lime stone and 25% clay B. 25% lime stone and 75% clay C. 15% lime stone and 55% clay D. 55% lime stone and 15% clay...
- 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...
- Which of the following processes is used for the synthesis of cement ?
- A. dry process B. wet process C. both D. none...
- 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...
- Cement is a mixture of so many compounds roasted in rotary kiln. Which substances has greater percentage ?
- A. Lime (CaO) B. Silica (SiO2) C. Alumina (Al2O3) D. Magnesia (MgO)...
- Which sequence of steps is correct for the manufacture of cement ?
- A. crushing heating mixing grinding B. crushing mixing heating grinding and mixing C. crushing grinding mixing heating D. mixing heating grinding crushing...
- The percentage of suspended solid waste in raw water is removed by coagulation is__________________?
- A. 60 B. 70 C. 80 D. 90...
- Which of the following properties prove that cathode rays are material in nature_________________?
- A. they cast shadow B. they possess momentum C. they are negatively charged D. all of the above...
- Which one of the following acids is present in lemon juice ?
- A. Citric acid B. Benzoic acid C. Tartaric acid D. Oxalic acid...
- Which of the following noble gases is not present in atmosphere?
- A. Argon B. Helium C. Radon D. Xenon Submitted by: Malik Asghar Hussain...
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