A breaker is filled up to the brain with water at `4^@C`. What will you notice if the temperature is decreased or increased? Give reasons for you answer.

A beaker is filled to the brim with water at 4^(@)C . What will you notice if the temperature is (i) increased and (ii) decreased?

A beaker is filled with H_2O at 4^@C . What will happen it the temp is increased and decreased?

A glass vessel is filled with water up to its brim. Now, what will happen if temperature is increased?

If the average distance between the sun and the earth decreases for some reason , then state whether the length of a year will increase or decrease. Give the reason for your answer .

Which of the following sentences are statements ? Give reason for your answers Do you home work .

Arrange water, ethanol and phenol in increasing order of acidity and give reason for your answer.

Will C CI_(4) give white precipitate of AgCI on heating it with silver nitrate? Give reason for your answer.

For an ideal gas, C_(V)=(3)/(2)R . (a) What will be the change in internal energy (DeltaU) of 1 mole of an ideal gas if its temperature is increased by 4K at constant volume ? What would be DeltaU if the temperature of this gas is increased by the same amount of constant pressure? keeping pressure constant if the temperature of that same amount of gas is increased by 4K then what will be the change in internal energy (DeltaU) of that gas? (c) give reason for different values of DeltaU and DeltaH ?

The figure shows the arrangement of desks in a class room. Madhuri, Meena, Pallavi are seated at A(3, 1), B(6, 4) and C(8, 6) respectively. Do you think they are seated in a line ? Give reasons for your answer.

Will C CI_(4) give white precipitate of AgCI on heating it with silver nitrate solution? Give reason for your answer.