Which of the following is a bleaching agent added in the detergents to facilitate removal of stains caused due to blood, tea etc ?
Oils are partially hydrogenated (not fully) to manufacture Vanaspati, because fully saturated solidified oils__________?
Catalytic oxidation of naphthalene produces__________?
RDX (an explosive), which is more sensitive but less toxic than TNT, is chemically__________?
Helium is produced on commercial scale from__________?
Ca(OH)2 is called __________?
Oxidation of ortho-xylene in presence of __________ catalyst is done to produce phthalic anhydride on commercial scale ?
Fumigant insecticides__________?
Nitrogen is an essential component of __________?
The type of high refractive index glass used in optical instruments is __________ glass?
Pick out the wrong statement ?
Caprolactam (a raw material for nylon-6 manufacture) is produced from __________?
Calgon used in water treatment is chemically __________?
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 ?
Coagulant is used __________ filtration?
Which of the following is a detergent ?
Dense soda ash used in the manufacture of glass, is chemically represented by__________?
__________ process is used for the commercial production of nitric acid by the catalytic oxidation of ammonia ?
Pick out the wrong statement ?
Addition of calcium oxide to water produces__________?
Pick out the wrong statement?
Bromine is used in the preparation of__________?
Pick out the wrong statement pertaining to the properties of glasses. Glasses generally have__________?
Pick out the wrong statement?
90% of the caprolactam is converted to nylon-6 on its condensation polymerisation in the reactor maintained at __________ °C ?
Pick out the wrong statement pertaining to the soap manufacture?
Pick out the wrong statement ?
Which of the following processes is absent in glass manufacturing process ?
Pick out the wrong statement ?
Bleaching of paper pulp is done with__________?
Concentration of sulphide ores is done usually by__________?
Diaphragm electrolytic cell as compared to mercury electrolytic cell__________?
Pick out the wrong statement ?
Pick out the false statement pertaining to water treatment ?
Argon is the third largest constituent of air (followed by N2 & O2). Its percentage by volume in air is__________?
Pick out the wrong statement?
Thermal pyrolysis of ethylene dichloride produces__________?
Wood charcoal is used for decolouration of sugar, because it __________ the coloured materials?
Massecuite is a terminology used in the __________ industry ?
Pick out the true statement pertaining to water treatment ?
Pick out the wrong statement ?
Co-efficient of thermal expansion of glass is decreased by the addition of __________ during its manufacture?
More than 100 percent of __________ is present in oleum?
Which of the following is not an abrasive material ?
Black liquor is converted into white liquor by __________?
Roasting of metallurgical ores is done mainly to __________?
Thermosetting materials __________?
Silicone is a/an __________?
Liquor poisoning generally occurs due to the presence of __________ in it ?
The process involved in converting rubber into a thin sheet or coating it on fabric is called __________?
Sulphur removal by heating of pyrite ore in presence of air is called its __________?

Pick out the wrong statement ?

A. Fibrillation of fibre during paper manufacture is done to develop the strength in paper
B. Alkali consumption in digestion/cooking of bamboo is measured in terms of permanganate
number
C. Bagasse fibre contains both lignin & cellulose
D. Presence of sodium sulphate in pulp makes the pulp bleachability poor

Correct Answer: Presence of sodium sulphate in pulp makes the pulp bleachability poor ✔

Last Updated: February 14, 2019