85
A substance that is used as a ripening agent for fruits is
- A. ethene
- B. propane
- C. methane
- D. butane
86
According to Charles’ law, the volume of a gas becomes zero at
- A. 0°C
- B. -100°C
- C. -273°C
- D. -373°C
87
A given amount of gas occupies 10.0dm\(^3\) at 4atm and 273°C. The number of moles of the gas present is?
[Molar volume of gas at s.t.p = 22.4dm\(^3\)]
- A. 0.89 mol
- B. 1.90 mol
- C. 3.80 mol
- D. 5.70 mol