A. 3
B. 12
C. 22
D. 0.3
Correct Answer: 3 ✔
Last Updated: February 14, 2019
Related MCQs
- Permanent hardness of water can be removed by__________?
- Bitterns is a/an__________?
- Nylon-66 is so named because the__________?
- The main product of high temperature carbonisation of coal is__________?
- Salt is added in the kettle during soap manufacture to separate __________?
- Percentage of alcohol in beer may be around __________ percent?
- Fatty material used in soap making is __________?
- The main use of activated carbon in water treatment is to control __________?
- Separation of fresh water from sea water can be done by the __________ operation ?
- Platinum catalyst used in the earlier days of sulphuric acid manufacture by contact process suffers from the drawback like__________?
- Presence of H2S in raw water (to be chlorinated) results in the__________?
- __________ is an ore of lead?
- Hydrogen gas is not produced commercially (for nitrogenous fertiliser manufacture) by __________?
- The most commonly used substance to speed up the sedimentation of sewage is__________?
- Which of the following is not produced commercially from sea water ?
- Oleum produces fumes of__________?
- Temperature during hydrogenation of oil should not be more than 200°C, otherwise it will result in__________?
- Rancidity of the fatty oil can be reduced by its__________?
- Thermosetting plastic materials__________?
- Digestion of wood-base materials (for manufacture of pulp) is done to __________?
- Antibiotic__________?
- __________ is a thermosetting plastic?
- Linde process of gas liquefaction employs__________?
- Chemical formula of ‘salt cake’ is__________?
- In Kraft process of paper manufacture, white cooking liquor consists of caustic soda__________?
- Enzymes are__________?
- Catalyst used during the manufacture of ‘Vanaspati Ghee’ is __________?
- Naphthalene is removed from coke oven gas by __________?
- Double Contact Double Absorption (DCDA) process is the most recent process for the manufacture of __________?
- Which of the following is an ore of iron ?
- Commercial production of Vanaspati is done by __________ of edible vegetable oils ?
- Sulphuric acid completely saturated with sulphur trioxide is called__________?
- Glauber’s salt is chemically ?
- __________ is used as a flux in the smelting of copper ore like chalcopyrite ?
- Poly Vinyl Chloride (P.V.C.) is a __________ material ?
- Catalyst used in the oxidation of benzene to produce Maleic anhydride is __________?
- Which of the following is not an insecticide ?
- Molecular weight of plastics ranges from __________?
- Cation exchanger is regenerated usually with__________?
- Major component of flint glass is__________?
- Starting material for the production of styrene butadiene rubber (SBR) is__________?
- __________ Nature of hypo (sodium thiosulphate) makes it useful in photography ?
- The most popular and common detergent i.e., alkyl benzene sulfonate (ABS) is a/an __________ detergent ?
- Industrial production of chloroform requires acetone and__________?
- The most reactive allotropic form of phosphorus is __________ phosphorus?
- The manufacture of Kraft pulp is done by a/an __________ process?
- Flux addition during smelting of ore is done to__________?
- Yellow glycerine is made into white, using__________?
- Coloured glass is obtained by mixing of colored salts. Addition of __________ oxide is done to impart greenish blue color to the glass?
- Commercially ethylene is produced from naphtha by __________?
- Hydrolysis of sugar is called__________?