In the manufacture of sulphuric acid from elemental sulphur, the following sequence of major operations is followed ?

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Bleaching of paper pulp is done with__________________?

A. Activated clay B. Bromine C. Chlorine or chlorine dioxide D. Magnesium sulphite...

Fats as compared to oils have ___________________?

A. More unsaturated glycerides of fatty acids B. Less unsaturated glycerides of fatty acids C. Much higher reactivity to oxygen D. Lower melting point...

At very high concentration of enzymes, the rate of fermentation chemical reaction is _____________ the concentration of reactants?

A. Independent of B. Directly proportional to C. Inversely proportional to D. Proportional to the square of...

How much temperature is maintained during quicklime manufacture in the calcination zone of the vertical shaft kiln ?

A. 500°C B. 750°C C. 1000°C D. 1500°C...

Solvay process is not used for the manufacture of potassium carbonate, because of the reason that potassium bicarbonate ?

A. Is prone to thermal decomposition B. Has high water solubility and is unstable C. Is soluble in ammonium chloride and potassium chloride solution D. All A , B. and C....