the following in not more than 40 words.
1. How do solids, liquids and gases differ from one another in respect of volume and shape?
2. What is the difference between vapours and gases?
3. Name three metals. Mention three characteristics of metals.
4. Name three nonmetals. Mention three characteristics of nonmetals.
5. What are homogeneous and heterogeneous substances? Mention two examples of each.
Answer the following in not more than 100 words
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Answer:
1) because there are in different nature of they condamvity
2) vapour are produced from liquid but gas not like that
3) sodium, aluminum, magnesium
4) sodium, calcium, radium
5) homogenous mean there are in one species
heterogeneous are different form each other
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