Question : What will happen to the level of water in a vessel when a piece of ice floating in it melts?

Option 1: Decreases

Option 2: Increases

Option 3: Remains same

Option 4: First increases and then decreases

Question : The surface tension of water on adding detergent to it:

Option 1: increases

Option 2: decreases

Option 3: no change

Option 4: becomes zero

Question : Electrical conductance through metals is called electronic conductance and it ______.

Option 1: does not depend on the temperature

Option 2: decreases with an increase in temperature

Option 3: increases with an increase in temperature

Option 4: decreases with a decrease in temperature

Question : How does the diversity of languages in India affect its population composition?

Option 1: It leads to uniform cultural practices

Option 2: It contributes to regional identities

Option 3: It simplifies communication across states

Option 4: It decreases the importance of education