A gaseous mixture contains 14 kg of N2, 16 kg of O2 and 17 kg of NH3. The mole fraction of oxygen is__________________?

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Magnesite refractories are generally not used in the__________________?

A. Electric furnace walls B. Steel melting furnace C. Open hearth furnace D. Burning zone of cement kilns...

Two solutions A1 and A2 have pH value of 2 and 6 respectively. It implies that the solution_____________________?

A. A2 is more alkaline than solution A2 B. A1 is highly acidic C. A1 is very slightly acidic D. Both A. & C....

Pick out the wrong conversion formula for the conversion of weight units ?

A. 1 tonne = 1000 kg = 22.046 lbs B. 1 U.S. ton = 907 kg = 0.907 tonne = 0.893 ton C. 1 ton = 2240 lbs = 1016 kg = 1.016 tonnes = 1.12 U.S. tons D. None of these...

Which of the following is not a unit of kinematic viscosity ?

A. Poise B. Stoke C. cm2/second D. None of these...

Saturated solution of benzene in water is in equilibrium with a mixture of air and vapours of benzene and water at room temperature and pressure. Mole fraction of benzene in liquid is xB and the vapour pressures of benzene and water at these conditions are pv B and pv w respectively. The partial pressure of benzene in air-vapour mixture is_________________?

A. PvB B. xB.PvB C. (Patm – Pvw)xB D. xB.Patm...