Question

materials metals and non - metals what we learn from this chapter​

Answer 1

Answer:

The examples of metals are iron, copper, aluminium, calcium, magnesium, etc. In contrast, materials like coal and sulphur are soft and dull in appearance. They break down into a powdery mass on tapping with a hammer. They are not sonorous and are poor conductors of heat and electricity.

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Answer 2

Answer:

The metals are utilized in making apparatus and water boilers for the reason that it's a good conductor of heat. Now we can see the advantages of Non Metals: Numerous non-metals like chlorine, Sulfur, iodine are valuable for therapeutic purposes. Non-metal like oxygen is basic for our life for breath.

Explanation:

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