Zn
Cu
Al
Au
Ca
Correct answer is A
No explanation has been provided for this answer.
The most common ores of iron include ...
The property of concentrated H2SO4 that makes it suitable for preparing HNO3 is its ...
Alloys are best prepared by ...
The condition required for corrosion to take place is the presence of ...
What is the atomic number of Erbium? ...
A balanced chemical equation is based on the law of? ...
When sodium chloride and metallic sodium are each dissolved in water ...
Chromatography is used to separate components of mixture which differ in their rates of ? ...