High temperature carbonisation of coal takes place at __________________ °C?

Related Mcqs:

Fermentation is adversely affected by the____________________?

A. Presence of air B. Absence of air C. High concentration D. Presence of ammonium salts...

Glauber’s salt is chemically ?

A. Calcium sulphate B. Potassium sulphate C. Potassium chlorate D. None of these...

The chamber process is______________________?

A. Preferred over contact process for producing 98 to 100% H2SO4 and various oleums B. Non-catalytic and operates only on pyrites C. A batch process for directly producing high strength (98 to 100%) H2SO4 D. None of these...

Which of the following is the second major component of cement ?

A. Al2O3 B. SiO2 C. CaO D. Fe2O3...

Fourdrinier machine is used in the manufacture of ___________________?

A. Sugar B. Paper C. Alcohol from molasses D. Phenol formaldehyde...