Question

Answer briefly

1. what are the main varieties of iron ore
2. Give the uses of copper and tin

Write the formula

1. No3So4
2 H2O​

Answer 1

ANsWeR :-

1. The main varieties of iron ore are hematite, magnetite, limonite, and siderite.

2. Copper was widely used in the ancient world as bronze, its alloy with tin, which was used to make cutlery, coins, and tools.

Answer 2

Answer:

Magnetite, haematite, Goethite and limonite or siderite are different types of ores of iron.

The iron is usually found in the form of magnetite which has 72.4% iron, hematite with 69.9% iron, goethite with 62.9% iron, limonite or siderite with 48.2% iron.