A. Bauxite
B. Limestone
C. Quartz
D. Manganese
Correct Answer: Limestone ✔
Last Updated: February 14, 2019
Related MCQs
- 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 __________?
- Drinking (potable) water treatment does not involve __________?
- Removal of dirt/soil by soaps or detergent does not involve the __________ of soil ?
- The basic difference between vegetable oils and fats is in their __________?
- Polyvinyl chloride (PVC) is__________?
- Starting raw material for the manufacture of Maleic anhydride is__________?
- ‘Synthesis gas’ meant for the synthesis of organic compound is a variable mixture of __________?
- Most easily and cheaply available fibrous raw material for paper manufacture available in India is bamboo. The yield of pulp produced from fibrous raw material by mechanical process is about __________ percent?
- Kopper-Totzek coal gasifier__________?
- Carboxymethyl cellulose (CMC) is added in detergents to act as a/an__________?
- Lindane is__________?
- Sodium chloride content in sea water is about __________ gms/liter?
- The temperature in the calcium carbide furnace is __________ °C ?
- Highly porous refractory bricks are __________?
- Low purity oxygen is used for__________?
- Anion exchanger is regenerated usually with __________?
- Nylon-66 is manufactured from__________?
- Which of the following is a co-product during the manufacture of caustic soda by electrolysis of brine ?
- Fermentation of molasses to produce ethyl alcohol is done at __________ °C?
- Which of the following has sodium bicarbonate as its main constituent ?
- Vegetable oils contain large quantity of glycerides of unsaturated acids. When the vegetable oils contain high amount of saturated fatty acids, it is termed as __________ oil?
- Which of the following is used as a coagulant in water treatment ?
- High temperature carbonisation of coal produces __________ ?
- Catalyst used in the manufacture of sulphuric acid by chamber & contact processes are respectively ?
- Detergent is produced by the sulphonation of dodecyl benzene, which is an __________ reaction?
- Isopropyl benzene produced by alkylation of benzene with propylene is known as __________?
- Dichloro diphenyl __________ is the full form of DDT (an insecticide) ?
- Calcareous & argillaceous materials are used in the manufacture of __________?