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

Related Mcqs:

Soap cannot be used with hard water, because _________________?

A. Hard water contains sulphate B. They form insoluble calcium soaps which precipitate C. They attract back the removed dirt D. None of these...

Hydrolysis of sugar is called_____________________?

A. Hydration B. Inversion C. Esterification D. None of these...

Permanent hardness of water can be removed by____________________?

A. Simply boiling B. Adding alum C. Passing it through cation & anion exchangers D. All (A), B. and (C)...

High magnesia lime is added to hot sugar cane juice (during the manufacture of sugar) to__________________?

A. Flocculate the impurities B. Facilitate fast filtration C. Both A. and B. D. Neither A. nor B....

Glycerine is a by-product of the ________________ industry ?

A. Soap B. Detergent C. Oil hydrogenation D. Paint...