Iron ore hametite is concentrated using
Refractory bricks burnt at very high temperature have got
Glauber's salt is chemically
Sodium bisulphite is used for __________ water.
Anion exchanger is regenerated usually with
Lindane is
Solvay process is not used for the manufacture of potassium carbonate, because of the reason that potassium bicarbonate
Presence of sodium tripolyphosphate (an additive) in synthetic detergent
A mixture of chlorine & sodium bromide acts as a/an
Oil produced by solvent extraction
Litharge is
Bakelite is chemically known as
Use of hydrated lime in water treatment
Percentage of glycerene present in the spent lye obtained during soap manufacture is about
The ideal pulp for the manufacture of paper should have high __________ content.
Percentage of uranium in carnotite ore found in Jadugoda (Jharkhand) is about
Nylonis so named because the
Zeolite is used in the
Permanent hardness of water can be removed by
Nitrile rubber is produced by the polymerisation of
Which of the following fuel gases contains maximum amount of carbon monoxide ?
Riboflavin is a/an
__________ is the major constituent of the Portland cement.
Which of the following is a bleaching agent added in the detergents to facilitate removal of stains caused due to blood, tea etc?
Dense soda ash used in the manufacture of glass, is chemically represented by
High acid value of an oil or fat is an indication of
Coagulant is used __________ filtration.
__________ are added in lacquers to remove film brittleness and to improve adhereness.
Which of the following is a co-product during the manufacture of caustic soda by electrolysis of brine ?
Exothermic neutralisation reaction between caustic soda and dodecylbenzene sulphonic acid produces sodium dodecylbenzene sulphate, which is a/an
Blue vitriol is chemically
Higher vicosity index of a lubricating oil denotes
Carborundum consists mainly of
Concentration of NaOH solution produced by diaphragm electrolytic cell is about __________ percent.
At very high concentration of enzymes, the rate of fermentation chemical reaction is __________ the concentration of reactants.
Potassium is kept & transported under
Wet chlorine gas produced during electrolysis of brine is dehydrated by
Thermoplastic materials
Flash point of most vegetable oils is about __________ °C.
Catalytic oxidation of naphthalene produces
Reverse osmosis is normally used for the
Yeast is used in the manufacture of
oleum comprises offree
Washing of coal is done to
Phthalic anhydride is made by the
Conversion of SO2 to SO3 in Monsanto 4-pass converter is about __________ percent.
Trinitro-toluene (TNT) is
Le-Blanc process is a primitive process for the manufacture of
Wax is a
Which of the following is a constituent of vinegar ?
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