The following are the half lives of four active isotopes....
The following are the half lives of four active isotopes. Which one of the following is the most dangerous to handle?
3 billion years
100 years
0.01 minute
13 days
Correct answer is C
No explanation has been provided for this answer.
Which of the following compounds has coordinate bonds in its structure? ...
Which of the following when heated strongly in air will leave a metal as residue? ...
The choice of method for extracting a metal from its ores depends on the ...
The following oxides react with water except ...
Fructose and glucose are classified as carbohydrates because they...