Ore of aluminium — task. Science TNSB Mentoring, Class 10.

Choose the best answer:

1. __________ is the most abundant metal found in the Earth's crust.

Aluminium
Silver
Gold
Diamond

2. The molecular formula of corundum is ___________.

\(Al_2O_3\)
\(Al_2O_4\)
\(Na_3AlF_6\)
\(Al_2O_3.6H_2O\)

Login or Fast registration

Exit to the topic

Did you find an error?