A. Sand
B. Bauxite
C. Quicklime
D. Calcite
Correct Answer: Bauxite ✔
Last Updated: February 14, 2019
Related MCQs
- Basic oxide is absent in __________ glass?
- Chloramines are used in water treatment for__________?
- Ethanol amine is produced using ammonia and__________?
- Ore concentration by froth floatation utilises the __________ of ore particles ?
- Nylon-6 is a__________?
- P.T.F.E. (Poly tetra fluoro ethylene) is commercially known as__________?
- Wet chlorine gas produced during electrolysis of brine is dehydrated by__________?
- Commercial production of soda ash by Solvay process requires limestone, __________ as raw materials?
- Which is a high grade pulp ?
- __________ is a thermosetting plastic ?
- Zeolite is used in the __________ ?
- The end bleaching agent used to move last traces of colour bodies from the pulp is __________?
- Manufacture of phthalic anhydride uses __________ as a catalyst ?
- Fat splitting catalyst is__________?
- Nylon-6 is manufactured from __________ ?
- In the manufacture of H2SO4, vanadium catalyst as compared to platinum catalyst__________?
- __________ acid is the main constituent of cotton seed oil ?
- Sugar content in sugarcane on cane basis is about __________ percent by weight ?
- Hydrazine is used in water treatment for the removal of__________?
- __________ glass is used for the manufacture of optical glass ?
- Synthesis gas is a mixture of__________?
- Which of the following is an yellow pigment ?
- Hydrazine (N2H4) is used mainly as a/an__________?
- Dacron is a __________?
- Fat dispersed in water is exemplified by__________?
- Zeigler process__________?
- 99.5% purity oxygen is used in__________?
- Chalcopyrite is the main ore of__________?
- Pig iron is produced by blast furnaces in India using mostly the iron ore named __________?
- Lubricating greases are a mixture of__________?
- Which of the following fuel gases contains maximum amount of carbon monoxide ?
- __________ process is used for producing soda ash?
- Main constituents of cotton fiber is__________?
- Chrome tanning and vegetable tanning are done for __________?
- The difference between saponification value and acid value is__________?
- Which of the following may be viewed as a catalyst in the manufacture of soda ash by Solvay process ?
- Which catalyst is used in the manufacture of ethylene oxide by oxidation of ethylene ?
- Multistage catalytic converter is not used in the__________?
- Carbon tetrachloride (CCl4) is the starting raw material for the manufacture of__________?
- Which allotrope of sulphur is insoluble in carbon disulphide ?
- Refractory bricks burnt at very high temperature have got__________?
- Main constituent of limestone is__________?
- Sulphuric acid saturated with SO3 is called__________?
- Hydrogenation of oil does not __________?
- Stereospecific agents are exemplified by__________?
- The enzyme which converts starch into the disaccharides maltose is__________?
- __________ of rubber decreases after its vulcanisation?
- Reaction of an alcohol with organic acid is called the __________ reaction?
- The major use of butadiene is__________?
- Which glass is usually used in optical work ?
- __________ acid is an unsaturated fatty acid ?