A noble gas with a high power of fog penetration used in ...
A noble gas with a high power of fog penetration used in aerodrome beacons is?
krpton
argon
helium
neon
Correct answer is D
No explanation has been provided for this answer.
Which of the following is not decomposed by heat?...
The decreasing order of the oxidising power of the halogens is ...
The characteristics reaction of carbonyl compounds is? ...
Which of the following statement is true of a proton? ...
Consider the reaction represented by the following equation: xCH3OH + yO2 → 2CO2...