Solubility curves of four ionic salts X, Y, Z, W are given below :

In which case the value of `DeltaH_(sol). lt 0`

Out of the four curves given below choose the curve which intersects the parabola y^(2)=4ax orthogonally.

Below are four equations in x. Assume that 0 lt r lt 4 . Which of the following has the largest solution for x ?

Elements W, X, Y, Z in the periodic table are shown below: State whether Y is smaller or larger than W

The stoichiometre and solubility product oFIGURE a salt with the solubility curve given below is respectively.

The stoichiometre and solubility product oFIGURE a salt with the solubility curve given below is respectively.

Given y=wx^(2) and y is not 0. If the value of x and w are each double, then the value of y is multipled by

If the number of integral of solutions of x+y+z+w lt 25 are .^(23)C_(lambda) , such that x gt -2, y gt 1, z ge 0, w gt 3 , then the value of lambda is