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(a) Common salt b) Flour(c) Talcum pawutuIl. State if the following statements are True or False, Correct the false statement.1. The boiling point of a liquid and the condensation point of its vapours have the same il.numerical value2 Molecules are closely packed inagas3 Liquids have two free surfaces4. A pure substance is made up of only one kind of matterS. A known volume of any liquid poured into a container does not occupy the same volume. |
Answer» <p>1. True. The statement remains true if we check the values at the same pressure.</p><p>2.False.The molecules of gas have weak forces of attraction between them. CORRECT Statement: Molecules are loosely packed in a gas.</p><p>3.False.Free surface means the surface which is in contact with air. Bubble has two free surfaces for example.Correct statement: Liquids have one free surface.</p><p>4. True</p> | |