_____________ kg of CaC03 on heating will give 56 kg of CaO?
_____________ kg of CaC03 on heating will give 56 kg of CaO?
A. 56
B. 100
C. 144
D. 1000
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1 Pascal (unit of pressure) is equal to _______________ N/m2 ?A. 10
B. 1
C. 0.1
D. 1000A vapor whose partial pressure is less than its equilibrium vapor pressure is called the _____________ vapor?
A vapor whose partial pressure is less than its equilibrium vapor pressure is called the _____________ vapor?A. Saturated
B. Superheated
C. Unsaturated
D. Dry gaseousThe activity co-efficient of a solution, which accounts for the departure of liquid phase from ideal solution behaviour________________?
The activity co-efficient of a solution, which accounts for the departure of liquid phase from ideal solution behaviour________________?A. Measures the elevation in boiling point
B. Is not dependent on the temperature
C. Is a function of the liquid phase composition
D. Measures the depression in freezing pointMolality is defined as the number of gm moles of solute per _____________ of solvent?
Molality is defined as the number of gm moles of solute per _____________ of solvent?A. Litre
B. kg
C. gm.mole
D. gmSpalling of silica bricks occurs due to abrupt volume changes, when it is cooled below a temperature of ______________ °C?
Spalling of silica bricks occurs due to abrupt volume changes, when it is cooled below a temperature of ______________ °C?A. 770
B. 570
C. 270
D. 70Panel test determines the ______________ of refractories?
Panel test determines the ______________ of refractories?A. Fusion point
B. Spalling resistance
C. Slag penetration resistance
D. Refractoriness under load (RUL)