Q.1
Nickel is not used as a catalyst in the __________ reaction.
Q.2
Which of the following is a detergent?
Q.3
The main use of HCl is in the
Q.4
Sodium salt of higher molecular weight fatty acid is termed as the __________ soap.
Q.5
Terylene is
Q.6
Triple superphosphate is manufactured by reacting
Q.7
Teflon is
Q.8
In sulphate pulp manufacture, the pressure and temperature in the digestor is
Q.9
Glauber's salt is chemically represented by
Q.10
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.
Q.11
__________ is not a constituent of gun powder.
Q.12
Air used in aerobic fermentation must be sterilized, otherwise the
Q.13
Main constituents of natural rubber is
Q.14
The type of high refractive index glass used in optical instruments is __________ glass.
Q.15
The major use of butadiene is
Q.16
The chamber process is
Q.17
Transparent soaps (e.g. Pears) are
Q.18
Most widely and commonly used coagulant for the removal of suspended impurities in water is
Q.19
Soaps remove dirt by
Q.20
Which allotrope of sulphur is insoluble in carbon disulphide?
Q.21
An alkali metal salt of palmitic acid is known as
Q.22
Which form of sulphur is the most stable at room temperature?
Q.23
Raw materials used for producing __________ cement does not contain iron oxide.
Q.24
Sucrose is a
Q.25
Platinum catalyst used in the earlier days of sulphuric acid manufacture by contact process suffers from the drawback like
Q.26
Silicon carbide is a/an
Q.27
Silicone is a/an
Q.28
Molecular weight of plastics ranges from
Q.29
Which is a high grade pulp?
Q.30
Viscose rayon is chemically
Q.31
Vulcanisation of rubber
Q.32
Claude process of gas liquefaction employs
Q.33
Linde process of gas liquefaction employs
Q.34
Solvent extracted oil
Q.35
Pick out the wrong statement.
Q.36
Pig iron is produced by blast furnaces in India using mostly the iron ore named
Q.37
In multistage equilibrium conversion of SO₂ to SO₃ (2SO₂ + O₂ ⇋ 2SO₃), the reverse reaction becomes appreciable at a temperature of 550° C. The percentage equilibrium conversion of SO₂ to SO₃ can be increased by
Q.38
Higher vicosity index of a lubricating oil denotes
Q.39
Acetone is produced by catalytic dehydrogenation of
Q.40
The biochemical treatment applied to sewage effluents is a process of
Q.41
Washing of coal is done to
Q.42
Production of alcohol by fermentation of molasses is an __________ process.
Q.43
Use of water having dissolved oxygen in boilers promotes
Q.44
Chrome tanning and vegetable tanning are done for
Q.45
Pure rectified spirit contains about __________ percent alcohol.
Q.46
Vanillin is a type of
Q.47
Sulphur addition in soap is done to
Q.48
Bromides contained in hot mother liquor is treated with __________ during manufacture of bromine from sea water.
Q.49
Solvay process is not used for the manufacture of potassium carbonate, because of the reason that potassium bicarbonate
Q.50
Which of the following is used as a binding material in soap to improve soap texture?
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