The best way of collecting chlorine is?
...The best way of collecting chlorine is?
by downward displacement of air
by upward displacement of air
over water
under water
over mercury
Correct answer is B
Chlorine gas is 2.5 times denser than air, hence it is best collected by the downward delivery or upward displacement of air.
Which of the following salts is stable to heat? ...
Which of the following processes will pollute water? ...
The pollutant that contributes to the depletion of the ozone layer is ...
CH4(g) + 2O2(g) → 2H2O(l) + CO2(g) ∆H = 890KJ mo-1 ∆H in the reaction represented by the equat...
2X(aq) + MnO2(s) + 4H+(aq) → X2(g) + Mn2+(aq) + 2H2O. The reaction above can be used for the labo...
The situation obtained when a perfect gas expands into a vacuum is ...
Which of the following constitutes an advantage in the use of hard water? ...