Variation of equilibrium pressure with temperature for any two phases of a given substances is given by the __________ equation. September 7, 2025 by Admin A. Gibbs-Duhem B. Maxwell’s C. Clayperon D. None of these ✅ The correct answer is option C.
The major component of acrylic fibres is September 7, 2025 by Admin polyamides polyolefins polyacrylonitrile polyesters ✅ The correct answer is option C.
Epoxy resins (i.e., epoxide polymers) September 7, 2025 by Admin are made by addition polymerisation reaction only. contain an epoxy group ( ) at the ends of the polymer. are cross-linked polymers only. use emulsion polymerisation methods. ✅ The correct answer is option B.
The rate controlling step in the manufacture of silicone rubber is the September 7, 2025 by Admin polymer termination step. condensation of siloxane to silicone. initial hydrolysis of silicone monomer. none of these. ✅ The correct answer is option C.
Standard temperature and pressure (S.T.P.) is September 7, 2025 by Admin A. 0°C and 750 mm Hg B. 15°C and 750 mm Hg C. 0°C and 1 kgf/cm² D. 15°C and 1 kgf/cm² ✅ The correct answer is option A.
When a gas in a vessel expands, its internal energy decreases. The process involved is September 7, 2025 by Admin A. Reversible B. Irreversible C. Isothermal D. Adiabatic ✅ The correct answer is option A.
In the equation, PVn = constant, if the value of n = ± ∞, then it represents a reversible __________ process. September 7, 2025 by Admin A. Adiabatic B. Isometric C. Isentropic D. Isothermal ✅ The correct answer is option B.
Dry ice is September 7, 2025 by Admin A. Moisture free ice B. Solid helium C. Solid carbon dioxide D. None of these ✅ The correct answer is option C.
Which of the following polymers is used for making a non stick coating on frying pans ? September 7, 2025 by Admin Bakelite Teflon Perspex PVC ✅ The correct answer is option B.
As the entropy of the universe is increasing, day by day, the work producing capacity of a heat engine is September 7, 2025 by Admin A. Not changed B. Decreasing C. Increasing D. Data sufficient, can’t be predicted ✅ The correct answer is option B.