Question

fill in the blanks -- free points


1 - non-metals combine with oxygen to form --------oxides
2- sulphur molecules is ------
3- a basic lining is given to a furance by using ----------
4-the main ore of copper is ---------
5- stainless steel contains --------

Answer 1

1 - $\underline{\sf{\red{acidic}}}$

2 - $\underline{\sf{\red{octa - atomic}}}$

3 - $\underline{\sf{\red{calcined- dolomite}}}$

4 - $\underline{\sf{\red{copper- pyrites }}}$

5 - $\underline{\sf{\red{iron}}}$