Maximum alumina content in high alumina refractory can be as high as ____________ percent?
Maximum alumina content in high alumina refractory can be as high as ____________ percent?
A. 30
B. 50
C. 70
D. 90
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1 kg of calcium carbide (CaC2) produces about 0.41 kg of acetylene gas on treatment with water. How many hours of service can be derived from 1 kg of calcium carbide in an acetylene lamp burning 35 litres of gas at NTP per hour ?
1 kg of calcium carbide (CaC2) produces about 0.41 kg of acetylene gas on treatment with water. How many hours of service can be derived from 1 kg of calcium carbide in an acetylene lamp burning 35 litres of gas at NTP per hour ?A. 5
B. 10
C. 15
D. 20The heat of solution depends upon the____________________?
The heat of solution depends upon the____________________?A. Nature of solvent
B. Concentration of solution
C. Nature of solute
D. All A., B. & C.The vapor pressure of water at 100°C is__________________?
The vapor pressure of water at 100°C is__________________?A. 100 N/m2
B. 76 cms of Hg
C. 13.6 cms of Hg
D. 760 mm wcWhich of the following is the Clausius-Clapeyron Equation ?
Which of the following is the Clausius-Clapeyron Equation ?A. PV = RT + B/V + y/V2 + ….
B. (P + a/V2)(V-b) = RT
C. loge (p/p0) = (λ/R) (1/T0 – 1/T)
D. p = [RT/(V – b)] – (a/TV2)The reaction A + B → C has been conducted in a reactor as shown below. The number of boundaries around which material balance can be written, are_________________?
The reaction A + B → C has been conducted in a reactor as shown below. The number of boundaries around which material balance can be written, are_________________?A. 1
B. 6
C. 3
D. 4Heat of solution in a system in which both solute and solvent are liquids is termed as_________________?
Heat of solution in a system in which both solute and solvent are liquids is termed as_________________?A. Heat of solvation
B. Heat of hydration
C. Standard integral heat of solution
D. Heat of mixing