Question

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II. State if the following statements are True or False. Correct the false statement.
1. A molecule is the smallest particle of an element
2. A pure substance consists of particles of only one kind.
3. Mercury is a non-metal,
4. Water is a compound made up of hydrogen and oxygen gas.
5. Constituents of a mixture are present in a fixed proportion.
6. In a homogeneous mixture, constituents are uniformly mixed throughout the mixture.
7. Air is a heterogeneous mixture.
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Answer 1

Answer:

1. False, atoms are the smallest particles in an atom.

2. True.

3. False, mercury is a metal.

4. True, the chemical formula for water is H2O.

5. False, the component may be of any proportion. Compounds have fixed proportions.

6. True.

7. False, it is a homogenous mixture

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Answer 2

1) True

2) True

3) False

4) False

5) True

6) False

7) True