Matter In Our Surroundings Reasoning Questions
Q1: When 20-30g of salt is added to 500 ml of water in a beaker. We see salt dissolves and disappears in water. Give reasons for this.
Q2: If we put a drop of blue ink in a beaker filled with water and leave it undisturbed. Why does the water in the whole beaker turn blue?
Q3: Give reasons for the following observation:
The smell of hot sizzling food reaches you several metres away, but to get the smell from the cold food you have to go close.
Q4: Why is a diver able to cut through water in a swimming pool?
Q5: Sponge can be compressed. Why is it a solid?