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.
The alloy used for welding and plumbing contains ...
Which of the following substances with the corresponding pH value is an alkali? Substance pH ...
The function of conc. H2SO4 in the esterification of ethanoic acid with ethanol is to...
The electronic configuration 1s2 22s 22p 63s23p 6 is that of a...
Solubility is practically applied in ...
An organic compound which decolorizes bromine water is likely to be? ...
Hydrocarbons which will react with Tollen's reagent conform to the general formula ...