The method of collection of gases prepared in the laboratory depend on their
odour and atomicity
colour and odour
atomicity and density
solubility and density
Correct answer is D
No explanation has been provided for this answer.
Which of the following equipment is not used to detect radioactivity?
Wilson cloud chamber
Geiger- muller counter
Mass spectrometer
Photographic plate
Correct answer is C
No explanation has been provided for this answer.
A metal X forms two chlorides with the formulae XCI2 and XCI3. Where is X in the Periodic Table?
Group ll
Group llI
d-block
s-block
Correct answer is C
No explanation has been provided for this answer.
One of the characteristics of transition metals is
reducing ability
ductility
ability to conduct electricity
formation of coloured ions
Correct answer is D
No explanation has been provided for this answer.