A. Coke
B. Ammonia
C. Tar
D. Phenol
Related Mcqs:
- The yield of tar from high temperature carbonisation of dry coal is about _______________ percent?
A. 3
B. 12
C. 22
D. 0.3 - High temperature carbonisation of coal takes place at __________________ °C?
A. 2000
B. 700
C. 1100
D. < 500 - High temperature carbonisation of coal produces _____________________ ?
A. Inferior coke compared to low temperature carbonisation
B. Less of gases compared to liquid products
C. Larger quantity of tar compared to low temperature carbonisation
D. None of these - Low temperature carbonisation of coal takes place at _______________ °C ?
A. 300
B. 1100
C. 700
D. 900 - The main component of Pyrex glass is_____________________?
A. Zinc
B. Lead
C. Boron
D. Selenium - Which of the following is not a product of coal tar distillation ?
A. Anthracene
B. Creosote oil
C. Carbolic oil
D. None of these - Pitch (a product of coal tar distillation) is always mixed with creosote oil, when it is to be burnt in a burner, because__________________?
A. Its calorific value is very less
B. Tar neutralises the residual acids present in pitch
C. It reduces viscosity and imparts fluidity for its transportation through pipelines at economic
pressure drop
D. All A, B. and C. - Main product in calcium carbide-water reaction is___________________?
A. Ca(OH)2
B. C2H2
C. CO2
D. CaCO3 - Major component of flint glass is_____________________?
A. Lead oxide
B. Silica
C. Alumina
D. Soda - Solvent used for extraction of oil is_____________________?
A. Hexane
B. Methyl ethyl ketone
C. Furfural
D. None of these
