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 ?