Extraction of __________ employs an electrolytic process.
Shaving soaps are
The compressive strength of cement should not be less than about 110Kg/cm2 after three days & not less than 170Kg/cm2 after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm2/gm.
Bitterns is a/an
Fat splitting catalyst is
Which of the following is an unsaturated fatty acid ?
The yield of tar from high temperature carbonisation of dry coal is about __________ percent.
Multistage catalytic converter is not used in the
Percentage of alcohol in beer may be around __________ percent.
Permanent hardness of water can be removed by
Naphthalene is removed from coke oven gas by
CaCl(OCl) is the chemical formula of
Dechlorination of treated water is necessary to
Which of the following is not present in bagasse fibre ?
Phthalic anhydride is used
The main product of high temperature carbonisation of coal is
__________ is a thermosetting plastic.
Fire clay is __________ refractory material.
An oil is converted into fat by its
Nitric acid is not used in the manufacture of
Production of one ton of cement requires about __________ tons of limestone.
Naphthols are derivates of
Fermentation is adversely affected by the
Plasticisers are added to synthetic plastics to
Nicotine is
Acrylonitrile is mainly used in the __________ industry.
__________ acid is an unsaturated fatty acid.
Rosin soap is added during paper manufacture to
Separation of fresh water from sea water can be done by the __________ operation.
The enzyme which converts starch into the disacharides maltose is
CO & H2 are the constituents of
Hydrogen gas is not produced commercially (for nitrogeneous fertiliser manufacture) by
Carboxymethyl cellulose (CMC) is added in detergents to
Na2CO3.10H2O is called
Reaction of an alcohol with organic acid is called the __________ reaction.
Nylon-6 as compared to Nylon-is having higher
Fat dispersed in water is exemplified by
Which of the following impurities in feed water for high pressure boiler is the most detrimental ?
Pick out the false statement pertaining to water treatment.
Economics of 'Solvay Process' depends upon the efficiency of
Synthesis gas is a mixture of
Ethanol amine is produced using ammonia and
Digestion of wood-base materials (for manufacture of pulp) is done to
Maleic anhydride is produced by catalytic oxidation of
Which glass is usually used in optical work?
Presence of H2S in raw water (to be chlorinated) results in the
__________ is a thermosetting plastic.
Soap cannot be used with hard water, because
Catalyst used in the oxidation of benzene to produce maleic anhydride is
Fourdrinier machine is used in the manufacture of