A. Gypsum
B. Feldspar
C. Galena
D. Bauxite
Correct Answer: Bauxite ✔
Last Updated: February 14, 2019
Related MCQs
- In nylon-66, the first and second numbers (i.e., 6) respectively designate the number of carbon atoms present in the__________?
- Ethylene oxide is produced by oxidation of ethylene in presence of AgO catalyst at __________?
- Conversion of SO2 to SO3 in Monsanto 4-pass converter is about __________ percent?
- Styrene is produced from ethyl benzene by the process of__________?
- Calcination of gypsum produces__________?
- Which is the most efficient absorbent for SO3 out of the following ?
- DDT should not be allowed to come in contact with iron (during its manufacture) to __________?
- __________ are added in lacquers to remove film brittleness and to improve adhereness?
- 10% oleum comprises of 10% free__________?
- The catalyst used in the production of elemental sulphur from H2S (by oxidation-reduction) is __________?
- Catalyst used in the hydrogenation of oil is__________?
- The function of gypsum addition during cement making is to__________?
- Main use of hydrazine is__________?
- Dehydrogenation of ethyl benzene produces __________ ?
- In primitive days, __________ was being manufactured by Leblanc Process ?
- Good quality of edible salt is obtained from brine by the process of__________?
- __________ is produced by the dehydrogenation of ethyl benzene ?
- Catalytic oxidation-dehydrogenation of methyl alcohol produces__________?
- A unit operation is exemplified by the process of __________?
- __________ is a polysaccharide?
- Exothermic neutralisation reaction between caustic soda and dodecylbenzene sulfonic acid produces sodium dodecylbenzene sulphate, which is a/an?
- Superior quality laboratory apparatus is made of the __________ glass having low thermal co-efficient of expansion & high chemical resistance?
- Use of chlorine in the treatment of sewage__________?
- CaO is called__________?
- The catalyst used in shift converter is__________?
- Dry ice (solidified CO2) is used for the__________?
- __________ is used as a flux in the extraction of iron from iron ore (haematite) in blast furnace?
- At very high concentration of enzymes, the rate of fermentation chemical reaction is __________ the concentration of reactants?
- The biochemical treatment applied to sewage effluents is a process of__________?
- Transparent soaps (e.g. Pears) are__________?
- Very dilute solutions are generally used in fermentation reactions for which the optimum temperature range is __________ °C?
- Reverse osmosis is normally used for the__________?
- Chloral is used in the manufacture of__________?
- Higher viscosity index of a lubricating oil denotes__________?
- Hydrochloric acid is also known as__________?
- Ordinary glass is not a/an__________?
- Wax is a__________?
- Production of one ton of dry paper pulp requires about __________ tons of bamboo or wood?
- Unsaturated oils compared to saturated oils have__________?
- Terylene is__________?
- Bakelite is chemically known as__________?
- Concentration of hydrogen peroxide is done by__________?
- Which of the following is the main constituent of the mother liquor produced in salt industry ?
- __________ paper is used in the manufacture of newsprint paper ?
- Pick out the exothermic reaction out of the following ?
- Which of the following, when pyrolysed, produces Perchloroethylene ?
- Magnesium and calcium __________ cause temporary hardness of water ?
- Tall oil obtained as a by-product from the black liquor recovery is__________?
- Pick out the wrong statement pertaining to nitric acid ?
- Which oil is preferred for paint manufacture ?
- Thorium is mainly used __________?