When the coal is heated in absence of air, it is called its ________________?

Related Mcqs:

Fusion point of coal ash increases with increase in its ____________ content?

A. Iron sulphate B. Iron silicate C. Lime and magnesia D. All A., B. and C....

Main constituents of Benzol are ____________________?

A. Benzene, toluene & xylene B. Tar & creosote C. Ammonia & phenol D. Anthracene & phenol...

Calorific value of both the solid & liquid fuels can be determined by using ______________ calorimeter?

A. Junker’s B. Bomb C. Boy’s D. None of these...

Which of the following reactions occuring during coal gasification is called the Neumann reversal reaction ?

A. 2CO ↔ C + CO2 B. CO + H2O ↔ CO2 + H2 C. C + H2O ↔ CO + H2 D. C + 2H2O ↔ CO2 + 2H2...

Coal is heated in presence of air to a temperature of about _______________ °C, while determining its ash content for proximate analysis?

A. 500 B. 750 C. 950 D. 1100...