A. 0.14
B. 0.34
C. 0.94
D. 1.4
Related Mcqs:
- In the manufacture of sulphuric acid from elemental sulphur, the following sequence of major operations is followed ?
A. Furnace → converter → absorber
B. Furnace → evaporator → absorber
C. Furnace → converter → evaporator
D. Converter → furnace → absorber - One of the steps during refining of cane sugar consists of addition of hydrated lime to the sugar syrup followed by carbonation of the resulting solution. The purpose of this step is to_________________?
A. Adjust the pH of the syrup
B. Remove the coloring matter from the syrup
C. Reduce the viscosity of the syrup
D. Improve the rate of crystallisation of sugar - Which of the following has sodium bicarbonate as its main constituent ?
A. Baking soda
B. Baking powder
C. Washing soda
D. None of these - Oxygen is separated by distillation from air after its liquefaction. The boiling point of oxygen is about ______________ °C ?
A. -83
B. -183
C. -196
D. -218 - Sulphur removal by heating of pyrite ore in presence of air is called its ____________________?
A. Reduction
B. Roasting
C. Calcination
D. Smelting - Nicotine is___________________?
A. A volatile alkaloid
B. Obtained by treating by-products of the tobacco processing industry
C. Both A. and B.
D. Neither A. nor B. - Teflon is___________________?
A. Phenol formaldehyde
B. An inorganic polymer
C. Poly tetra-fluoro-ethylene (P.T.F.E.)
D. A monomer - Main product in calcium carbide-water reaction is___________________?
A. Ca(OH)2
B. C2H2
C. CO2
D. CaCO3 - Starting raw material for the manufacture of Maleic anhydride is___________________?
A. n-butene
B. Benzene
C. Either A. or B.
D. Neither A. nor B. - Main use of hydrazine is___________________?
A. As a rocket fuel
B. In water treatment
C. As a disinfectant
D. As fire retardant
