What is the atomic number of Tin?
...What is the atomic number of Tin?
30
40
50
80
Correct answer is C
No explanation has been provided for this answer.
Which of the following statements about an equilibrium system is correct? ...
What happens when alkanoic acids react with alcohols in the presence of an acid catalyst? ...
The oxidation state of sulphur on H2SO4 acid is ...
Which of the following compounds and elements would sublime on exposure to the atmosphere? ...
Methylethanoate reacts with ammonia to yield? ...
Certain useful waxes are composed mainly of ...