The gas that can be collected by downward displacement of...
The gas that can be collected by downward displacement of air is
chlorine
sulphur (IV) oxide
carbon (IV) oxide
ammonia
Correct answer is D
Upward delivery works well for hydrogen and ammonia, which are both less densed than air. Sometimes, they are collected over water.
The impurities formed during the laboratory preparation of chlorine gas are removed by ...
Arrange HCI, CH3COOH, C6H5CH3 in order of increasing conductivity....
N2O4(g) ↔ 2NO2(g) ΔH = +ve In the reaction above, an increase in temperature will...
Which of the following on burning in air contributes to acid rain? ...
An element X with electronic configuration 1S22S22P63S2 combines with another element Y with...
Which of the following oxides is amphoteric?...
The dispersion of a liquid in a liquid medium will give ...
Rusting of iron is an example of ...
Which of the following halogens is solid at room temperature? ...