Salt is the basic raw material for the manufacture of
Cement
Glass
Potteries
Caustic soda
Correct Answer :
D. Caustic soda
Related Questions
Reaction of calcium carbide with water produces a gas, which is used
As an illuminant
For metal cutting/welding
Both (A) & (B)
Neither (A) nor (B)
Percentage of uranium in Carnotite ore found in Jadugoda (Jharkhand) is about
0.1 to 0.5
1 to 5
5 to 10
15 to 25
Calcareous & argillaceous materials are used in the manufacture of
Lead
Cement
Carbon disulphide
None of these
Shaving soaps are
Soft potassium soaps (potassium salt of fatty acid) with free Stearic acid to give lather a lasting property
Metallic soaps compounded with frothing agents
High free alkali soaps having excess of cane sugar and alcohol
None of these
Phthalic anhydride is made by the
Oxidation of naphthalene
Oxidation of benzene
Dehydrogenation of ethyl benzene
None of these
Sizing material is incorporated in paper to
Impart resistance to penetration by liquids
Increase its thickness
Increase its flexibility & opacity
Increase its brightness
Which of the following is not present in bagasse fibre?
Cellulose
Lignin
Pentogens
None of these
Highly porous refractory bricks are
Less susceptible to chemical attack by molten fluxes and gases etc
Very strong
Having very high thermal conductivity
None of these
Diaphragm electrolytic cell as compared to mercury electrolytic cell
Produces 70% NaOH solution
Requires less specific power consumption for the production of chlorine
Requires lesser investment for similar capacity
All (A), (B) and (C)
Carboxymethyl cellulose (CMC) is added in detergents to act as a/an
Surfactant
Builder
Optical brightening agent
Anti soil redeposition agent
Rotary kiln is not involved in the production of
Cement
Lime from limestone
Slaked lime from quick lime
None of these
Nitrile rubber is produced by the polymerisation of
Acrylonitrile and butadiene
Acrylonitrile and styrene
Isobutylene and isoprene
None of these
The most stable allotropic form of phosphorous is the __________ phosphorous.
White
Black
Yellow
Red
Neoprene is the trade name of
Polyurethane
Phenol formaldehyde
Polychlorophrene
Styrene-butadiene rubber
Thermosetting materials
Are cross-linked molecules
Soften on application of heat
Are solvent soluble
None of these
Proximate analysis of coal determines its __________ content.
Moisture, ash, sulphur & volatile matter
Moisture & volatile matter
Moisture, sulphur, nitrogen & fixed carbon
None of these
Which of the following is used as a binding material in soap to improve soap texture?
Rosin
Borax
Benzyl acetate
Sodium carbonate
Which of the following is not produced commercially from sea water?
Magnesium & potassium compounds
Common salt
Bromine
Iodine
Low temperature carbonisation of coal takes place at __________ °C.
300
1100
700
900
Chemical formula of 'salt cake' is
Na2SO4
CaSO4
MgSO4
BaSO4
Haemoglobin is a/an
Amino acid
Biological catalyst
Protein
Enzyme
Chemical name of soda ash is
Sodium bicarbonate
Sodium thiosulphate
Potassium carbonate
None of these
Yellow phosphorus is transported under
Air
Water
Nitrogen
Helium
Pick out the wrong statement.
Azoic dyes are mostly applied on cotton fabrics
Basic dyes (e.g. amino derivatives) are applied mostly to paper
Mordant dyes are applied mainly to wools
None of these
Salt is the basic raw material for the manufacture of
Cement
Glass
Potteries
Caustic soda
Which of the following is not a raw material used for the manufacture of ordinary glass?
Iron oxide
Soda ash
Limestone
Silica
Catalytic oxidation-dehydrogenation of methyl alcohol produces
Formaldehyde
Phenol
Acetone
Maleic anhydride
__________ is an ore of lead.
Quartz
Galena
Siderite
Chalcopyrite
Phosphoric acid is prepared from
Cryolite
Chalcopyrite
Rock phosphate
None of these
Pick out the false statement pertaining to water treatment.
Aeration of water is effective in CO2 removal
The zeolite water softening process reduces the hardness of water by not more than 50%
Sodium sulphate or sodium carbonate do not cause hardness in water
Water with pH value less than 7, is acidic