Chemistry
Answer
| Mineral | Ore |
|---|---|
| The compounds of various metals found in nature associated with their earthly impurities are called minerals. | The naturally occurring minerals from which metals can be extracted profitably and conveniently are called ores. |
| All minerals are not ores. | All ores are minerals. |
Related Questions
From the metals : copper, iron, magnesium, sodium and zinc, select a different metal in each case which :
(a) does not react with dilute hydrochloric acid,
(b) can form 2+ and 3+ ions,
(c) arrange the above metals in the decreasing order of reactivity.
Which metal occurs as :
(a) a sulphide,
(b) a halide,
(c) a carbonate,
(d) an oxide.
Also give the names of their respective ores.
Distinguish between an ore and a metallic compound.
Which metal can be extracted from each one of the following ores:
(a) bauxite
(b) calamine
(c) haematite