PTS Chemistry Mcqs Online Test 9

The spreading of fragrance or scent in air is due to?

One mole of an ideal gas at 546.5 K under 2 atm pressure has a volume of?

For a gas where volume and pressures are 1dm3 and 2 atm respectively what should be its new volume when pressure is increased to 6 atm at constant temperature?

The partial pressure exerted by the water vapours is called?

The kinetic molecular theory of gases was put forward in 1738 by?

Which one is not the partial pressure of oxygen in the lungs?
 .

Which one is the right value for R?
 .

If 1/V is plotted on X-axis and pressure on Y-axis at constant temperature what should appear?

The solid particles only posses?

The highest temperature at which a substance can exist as a liquid is called its?