Question

0. Very Short Answer Questions
Namenwo hard and two sott objects. Po
Why are gold and silver used to make jewellery?
Name to natural and two human-made objects.
4. Name two liquids that are miscible in water.
> What is the importance of oxygen dissolved in water?
Name the different states of matter
Short Answer Questions:
1) What is material
(b) What are the different types of materials? Give one example of each​

Answer 1

Q. Why are gold and silver used to make jewellery?

Ans: Gold and silver are used to make jewellery because they are precious and expensive metals. Also, gold and silver last very long and look luxurious. Conversion of concentrated ore into metal oxide It is easier to obtain metals from their oxides rather than from carbonates or sulphides.

Q. Name to natural and two human-made objects

Ans: human made= roads , buildings, machines

       natural= trees, humans, water

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