Column-I | Column-II |

(1) Molarity | (p) Equivalent per liter |

(2) Normality | (q) does not have units |

(3) ppm | (r) moles per liter |

(4) Molality | (s) moles per kg |

$\begin{array}{1 1}(a)\;(1)\rightarrow (p),(2)\rightarrow (r),(3)\rightarrow (q),(4)\rightarrow (s)\\(b)\;(1)\rightarrow (q),(2)\rightarrow (p),(3)\rightarrow (r),(4)\rightarrow (s)\\(c)\;(1)\rightarrow (s),(2)\rightarrow (p),(3)\rightarrow (q),(4)\rightarrow (r)\\(d)\;(1)\rightarrow (r),(2)\rightarrow (p),(3)\rightarrow (q),(4)\rightarrow (s)\end{array}$