Q.1
Ethyl alcohol cannot be produced
Q.2
Pencillin, an antibiotic drug was discovered by
Q.3
Graphite is a/an
Q.4
Gun powder uses
Q.5
Very fine suspended and colloidal impurities are removed from water by a process called
Q.6
Fumigant insecticides
Q.7
Which oil is preferred for paint manufacture?
Q.8
Which of the following is not a pyrite ore?
Q.9
High magnesia lime is added to hot sugar cane juice (during the manufacture of sugar) to
Q.10
During the absorption of HCl gas in water (to produce liquid HCl), the gas is kept above dew point to
Q.11
Starting raw material for the manufacture of maleic anhydride is
Q.12
Catalyst used during the manufacture of 'Vanaspati Ghee' is
Q.13
SO₂ is bubbled through hot sugar cane juice to
Q.14
Chalcopyrite is the main ore of
Q.15
Phthalic anhydride is made by the
Q.16
Cellulose content of bamboo and ideal fibrous raw material for the manufacture of paper is __________ percent.
Q.17
Molecular weights of polymers are in the range of
Q.18
Gypsum is chemically
Q.19
Polymethyl methacrylate (PMMA) is known as
Q.20
Temporary hardness of water can be removed by
Q.21
Fusel oil is a/an
Q.22
Which of the following is a constituent of coffee?
Q.23
Which is the most efficient absorbant for SO₃ out of the following?
Q.24
Starting raw material for the manufacture of alum is
Q.25
Glass is
Q.26
Glauber's salt is chemically
Q.27
Fat splitting catalyst is
Q.28
Fats as compared to oils have
Q.29
Which of the following is not required in the manufacture of soda ash by Solvay process?
Q.30
Which of the following may be viewed as a catalyst in the manufacture of soda ash by Solvay process?
Q.31
The process used for the manufacture of ethyl alcohol from molasses is
Q.32
Raw materials required for the manufacture of __________ is acetylene and hydrochloric acid.
Q.33
Permanent hardness of water can be removed by
Q.34
Permanent hardness of water can be removed by
Q.35
Which of the following is an endothermic reaction?
Q.36
Frasch process is for
Q.37
Electrodeposition of metals i.e. electroplating is never done on
Q.38
Margarine is a/an
Q.39
Massecuite is
Q.40
Finely ground calcium aluminate & silicate is a/an
Q.41
Vegetable oils and fats basically differ in their
Q.42
Which of the following is the purest form of water out of the following ?
Q.43
Thermal pyrolysis of ethylene dichloride produces
Q.44
Concentration of hydrogen peroxide is done by
Q.45
Permanent hardness of water can be removed by
Q.46
Esterification reaction
Q.47
Low purity oxygen is used for
Q.48
Which of the following is not a food additive?
Q.49
Lithopaneis
Q.50
Which of the following is an yellow pigment?
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