What is the chemical symbol for Francium?
...What is the chemical symbol for Francium?
Fr
Fc
Fm
Gt
Correct answer is A
No explanation has been provided for this answer.
When air is passed through alkaline pyrogallol and then over quicklime, the only gases left are? ...
An oxide XO2 has a vapour density of 32. What is the atomic mass of X? ...
The most common method of preparing insoluble salts is by ...
The chlorinated alkane often used industrially to remove grease is? ...
The property of concentrated H2SO4 that makes it suitable for preparing HNO3 is its ...