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コ, SCIENCE, 2021-11-18 11:39, B. State True or False., 1. The particles in gases are tightly bound., 2. The shape of a liquid cannot change., 3. Solids contract on heating., An, 1., 4. In a chemical change, the new product can be, converted back to the original product., 2., 3-, 5. Water and oil form a miscible solution., 4., C. Name them., 1. A mixture of sugar and water, 2. Burning of wood, 3. Changing of ice to water, 4. Changing of water to water vapour, 5. Inflation of a balloon, D. Write P for physical change and C for chemical change., 1. Melting of butter, 2. Ripening of banana, 3. Mixing sand and pebbles, 4. Kneading dough, 5. Cutting of cloth, 6. Cooking food, 7. Mixing cement and water, 8. Boiling water and tea leaves, Short Answer Questions, Answer these questions briefly., 1. What is matter?, 2. How are molecules arranged in a solid?, 3. What is an immiscible solution? Give examples., 4. Define solidification., 5. What is solution? Name the two substances that make a solution., 6. Define sublimation., 7. What is thermal conductivity?, 8. Distinguish between:, a Reversible and Irreversible changes, b. Physical and Chemical changes, 202