PYQ Vault

Day 100: MH HSC Class 12 Chemistry

2 questions. Try each one first, then open its answer.

  1. Question 1

    Chemical Thermodynamics. Asked once: Mar 2015

    Q.4.i
    State one statement of first law of thermodynamics and its mathematical expression.

  2. Question 2

    Chemical Thermodynamics. Asked once: Mar 2014

    Q.1.ii
    What is 'calcination'? How does it differ from 'roasting'?