Conversion of reactant into product in unit time is called________________?

A. Rate of forward reaction
B. Rate of backward reaction
C. Rate constant
D. Rate co-efficient

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

A. Diffusion
B. Effusion
C. Attraction with air
D. Low dsensity

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

A. Critical temperature
B. Standard temperature
C. Absolute temperature
D. Upper consulate temperature

What do we call to sudden expansion of plasma ?

A. Avogadros law
B. Grahams law of diffusion
C. Joule thompson effect
D. Daltons law of partial pressure

What will be the pressure of 1 mole of an ideal gas maintained at 300 K and 250cm3 volume ?

A. 98.5 atm
B. 96.7 atm
C. 95.8 atm
D. 97.1 atm

Who made volume and pressure correction to explain deviation of gases from ideal behaviour ?

A. Clausius
B. Boltzman
C. Charles
D. Vander waal

The gases become non-ideal at ________________?

A. High temperature and high pressure
B. Low temperature and low pressure
C. High temperature and low pressure
D. Low temperature and high pressure

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 ?

A. 1/2dm3
B. 1/3dm3
C. 1/4dm3
D. 2/3dm3

Which one is the right value for R ?

A. 0.0821 atm dm3k-1mol-
B. 0.0821 atm m3k-1mol-1
C. 2 cal k-1 mol-1
D. 8.314 nm2k-1mol-1

The partial pressure exerted by the water vapours is called_______________?

A. Surface tension
B. Aqueous tension
C. Vapour pressure
D. Hydraulic pressure