Which is not an acidic refractory ?
Which is not an acidic refractory ?
A. Silica
B. Fireclay
C. High alumina refractory
D. Carbon black
Similar Posts
Osmotic pressure exerted by a solution prepared by dissolving one gram mole of a solute in 22.4 litres of a solvent at 0°C will be _______________ atmosphere?
Osmotic pressure exerted by a solution prepared by dissolving one gram mole of a solute in 22.4 litres of a solvent at 0°C will be _______________ atmosphere?A. 0.5
B. 1
C. 1.5
D. 2In physical adsorption, as compared to chemisorption, the________________________?
In physical adsorption, as compared to chemisorption, the________________________?A. Quantity adsorbed per unit mass is higher
B. Rate of adsorption is controlled by the resistance to surface reaction
C. Activation energy is very high
D. Heat of adsorption is very largeWhich of the following is followed by an ideal solution ?
Which of the following is followed by an ideal solution ?A. Boyle’s law
B. Amagat’s law
C. Raoult’s law
D. Trouton’s ruleHeat of ____________ of a fuel is called its calorific value?
Heat of ____________ of a fuel is called its calorific value?A. Formation
B. Combustion
C. Reaction
D. VaporisationThe temperature at which the second Virial co-efficient of a real gas is zero is called the_____________________?
The temperature at which the second Virial co-efficient of a real gas is zero is called the_____________________?A. Eutectic point
B. Boyle temperature
C. Boiling point
D. Critical temperatureFor the gaseous phase reaction, N2 + O2 ⇌ 2NO, ΔH = + 80 kJ/kg. mole; the decomposition of NO is favoured by____________________?
For the gaseous phase reaction, N2 + O2 ⇌ 2NO, ΔH = + 80 kJ/kg. mole; the decomposition of NO is favoured by____________________?A. Increasing the concentration of N2
B. Decrease in temperature
C. Increase in pressure
D. Decrease in pressure