Dolomite is mineral whose formula is………………

Malachite is a mineral of

Carnallite is a mineral of

A mineral is called ore if:

Names of some minerals are given below. .i) Haematite ii) bauxite iii) Dolomite a. Identify the mineral of Iron (Fe) b. Name the reducing agent mainly used in the extraction of iron from its ore. c. What is the role of powdered lime stone in the extraction process of iron?

Give an example of molecule in which. (i) Ratio of molecular formula and empirical formula is 6: 1 (ii) Molecular weight is 2 times of the empirical formula weight. (iii) The empirical formula is CH_2O and ratio of molecular formula weight and empirical fórmula weight is 6 .