Haematite is an ore of
...Haematite is an ore of
zinc
lead
iron
copper
Correct answer is C
No explanation has been provided for this answer.
How many atoms are present in 6.0g of magnesium? [Mg = 24, NA = 6.02 x 1023 mol-1]...
The formation of a bond between hydrogen and a highly electronegative atom results in ...
An oxidation state of Cr in K2Cr2O7 ...
The following are uses of radioactive isotopes except for...
Which of the following methods is NOT used for the separation of mixtures? ...
The boiling of fat and aqueous caustic soda is referred to as ...