The total number of atoms in 8.5 gm of NH₃ is __________ x 1023. September 7, 2025 by Admin 9.03 3.01 1.204 6.02 ✅ The correct answer is option A.
Number of gm moles of solute dissolved in 1 kg of solvent is called its September 7, 2025 by Admin Normality Molarity Molality Formality ✅ The correct answer is option C.
500 c.c. each of hydrogen at 700 mm Hg pressure and oxygen at 600 mm Hg pressure are put together in a vessel of 1 litre capacity. The final pressure of the gas mixture will be __________ mm Hg. September 7, 2025 by Admin 650 700 600 375 ✅ The correct answer is option A.
The reverse process of fractional crystallisation is called September 7, 2025 by Admin Stripping Leaching Differential distillation Absorption ✅ The correct answer is option B.
Two solutions A₁ and A₂ have pH value of 2 and 6 respectively. It implies that the solution September 7, 2025 by Admin A₁ is more alkaline than solution A₂ A₁ is highly acidic A₁ is very slightly acidic Both A & C ✅ The correct answer is option D.
With increase in the solute concentration, the specific heat of aqueous solutions September 7, 2025 by Admin Increases Decreases Remains unchanged Either A or B; depends on the type of solution ✅ The correct answer is option B.
1 kg/m² is equal to __________ mm water column. September 7, 2025 by Admin 1 10 100 1000 ✅ The correct answer is option A.
In which of the following case of mixing of a strong acid with strong base (each of 1N concentration), temperature increase will be the highest? September 7, 2025 by Admin 30 c.c acid and 30 c.c base 20 c.c acid and 25 c.c base 15 c.c acid and 35 c.c base 35 c.c acid and 15 c.c base ✅ The correct answer is option A.
The heat capacity of most substances is greater for the __________ state. September 7, 2025 by Admin Solid Liquid Gaseous None of these ✅ The correct answer is option B.
The slope of 9-line is determined by the September 7, 2025 by Admin Reflux ratio Plate efficiency to be achieved Thermal condition of the feed Relative volatility ✅ The correct answer is option C.