1.Which of the following is isotonic with 15%15\%15% WW\dfrac{W}{W}WW glucose solution (sp. gr =1.2= 1.2=1.2)?a.1 M1\,\text{M}1M CaCl2\text{CaCl}_2CaCl2b.1 N1\,\text{N}1N CaCl2\text{CaCl}_2CaCl2c.0.5 M0.5\,\text{M}0.5M NaCld.0.5 M0.5\,\text{M}0.5M ureaLogin to continueOnly logged in users canattempt or see the solution.