Question

Please answer fast:

In ___________ changes only the physical properties of the substances changes.
2. Burning of a candle is a ____________ change.
3. ____________ Changes are usually irreversible.
4. Cooking changes __________ properties of food.
5. Reactions in which heat is absorbed are called _________ reactions.
6. Crystallization is a _____________ change.
7. Salt is obtained from the sea through _____________.
8. In a saturated solution no more of _______ can be dissolved.
B. Choose the correct answer.
1. Which of the following is obtained through crystallization.
a. Metals b. Fibers c. Sugar d. All of these

Answer 1

Answer:

1. PHYSICAL

2. CHEMICAL

3. CHEMICAL

4. CHEMICAL

5. ENDOTHERMIC

6. PHYSICAL

7. EVAPORATION

8. SOLUTE

B 1. (C) SUGAR