For estimation of heat capacity of a solid compound, one can use________________?
A. Clapeyron’s equation
B. Gibb’s equation
C. Kopp’s rule
D. Trouton’s rule
Stoichiometry
40 gms each of the methane and oxygen are mixed in an empty container maintained at 40°C. The fraction of the total pressure exerted by oxygen is_________________?
40 gms each of the methane and oxygen are mixed in an empty container maintained at 40°C. The fraction of the total pressure exerted by oxygen is_________________?
A. 1/2
B. 1/3
C. 1/4
D. 2/3
Which of the following holds good for a solution obeying Raoult’s law (i.e., an ideal solution) (where, ΔH = heat of mixing, and ΔV = volume change on mixing) ?
Which of the following holds good for a solution obeying Raoult’s law (i.e., an ideal solution) (where, ΔH = heat of mixing, and ΔV = volume change on mixing) ?
A. ΔH = 1 (+ ve) and Δ V = -ve
B. ΔH = 0
C. ΔV = 0
D. Both B. and C.
The heat change for the reaction, C(s) + 2S(s) → CS2(l), is 104.2 kJ. It represents the heat of_________________?
The heat change for the reaction, C(s) + 2S(s) → CS2(l), is 104.2 kJ. It represents the heat of_________________?
A. Formation
B. Solution
C. Combustion
D. Fusion
Raoult’s law is obeyed by a _____________ solution?
Raoult’s law is obeyed by a _____________ solution?
A. Saturated
B. Molar
C. Normal
D. None of these
On addition of 1 c.c. of dilute hydrochloric acid (1% concentration) to 80 c.c. of a buffer solution of pH = 4, the pH of the solution becomes_________________?
On addition of 1 c.c. of dilute hydrochloric acid (1% concentration) to 80 c.c. of a buffer solution of pH = 4, the pH of the solution becomes_________________?
A. 1
B. 8
C. 4
D. 2
Cp equals Cv at________________?
Cp equals Cv at________________?
A. 0°C
B. 0°K
C. 0°F
D. 0°R
Which of the following ratios defines the recycle ratio in a chemical process ?
Which of the following ratios defines the recycle ratio in a chemical process ?
A. Gross feed stream/recycle feed stream
B. Recycle stream/fresh feed stream
C. Recycle stream/gross feed stream
D. None of these
N2 content in a urea sample was found to be only 42%. What is the actual urea content of the sample? (Molecular weight of urea = 60) ?
N2 content in a urea sample was found to be only 42%. What is the actual urea content of the sample? (Molecular weight of urea = 60) ?
A. 80%
B. 90%
C. 95%
D. 98%
The number of atoms of oxygen present in 11.2 litres of ozone (O3) at N.T.P. are__________________?
The number of atoms of oxygen present in 11.2 litres of ozone (O3) at N.T.P. are__________________?
A. 3.01 × 1022
B. 6.02 × 1023
C. 9.03 × 1024
D. 1.20 × 1024