A. Slaked lime
B. Soda lime
C. Calcium perchlorate
D. None of these
Related Mcqs:
- Bleaching action of bleaching powder is due to its _____________ properties ?
A. Reducing
B. Oxidising
C. Disinfecting
D. None of these - Styrene (a monomer for the production of polystyrene) is commercially produced by ____________________?
A. Catalytic dehydrogenation of ethyl benzene
B. Dehydration of ethyl alcohol followed by hydrogenation
C. Reacting ethylene oxide with acetaldehyde
D. Fermentation of starch - The end bleaching agent used to move last traces of colour bodies from the pulp is ____________________?
A. Chlorine dioxide (ClO2)
B. MgO
C. SO2 gas
D. Mercaptans - Grignard reagent is chemically known as ____________________?
A. Ethyl magnesium chloride
B. Methyl magnesium chloride
C. Dichlorophenol
D. Monochloroacetic acid - Commercially ethylene is produced from naphtha by ______________________?
A. Catalytic cracking
B. Catalytic dehydrogenation
C. Pyrolysis
D. Hydrocracking - Which of the following is not produced commercially from sea water ?
A. Magnesium & potassium compounds
B. Common salt
C. Bromine
D. Iodine - Hydrogen gas is not produced commercially (for nitrogenous fertiliser manufacture) by _____________________?
A. Iron-steam reaction
B. Electrolysis of water
C. Steam reforming of naphtha
D. Its cryogenic separation from coke oven gas - Alum is commercially produced from___________________?
A. Gypsum
B. Feldspar
C. Galena
D. Bauxite - Polymerisation product of C2F4 (carbon tetrafluoride) is called P.T.F.E (poly chloro tetra fluoro ethylene). It is also called___________________?
A. Polyurethane
B. Silicone
C. Teflon
D. Epoxy resin - Chlorine gas is produced by the electrolysis of brine (NaCl solution with solid NaCl make up) in mercury electrolytic cell. Which of the following is the anodic reaction ?
A. Oxidation of Na+ ions
B. Oxidation of Cl- ions
C. Reduction of Na+ ions
D. Reduction of Cl- ions
