Question

4. Which of the given object don't gets heated due to conduction ? a. Iron c. alluminium d. milk b. copper


5. What is the colour of ferrous sulphate ?


6. Classify the following into physical and chemical change a. Rusting of iron b. Galvanisation c. To make a magnet from iron d. digestion of food​

Answer 1

Answer:

all of the above? all options are correct imo. iron, copper and alluminium are one of the best metal conductors after silver and gold. milk conducts heat by conduction as try dipping a spoon in hot milk and leave it for while then you will observe that the spoon is heated as well

ferrous sulphate/iron sulphate is light greenish

rusting of iron is chemical change. magnetization is physical change. digestion of food is physical change. galvanisation is a physical change

Answer 2

Answer:

4. iron

5. light green

6. physical changes

• rusting of iron
• digestion of food

chemical changes

• galvanisation
• to make a magnet from iron