<p>Equal volume of 1M HCl and 1M&nbsp;<math xmlns="http://www.w3.org/1998/Math/MathML"><msub><mi>H</mi><mn>2</mn></msub><mi>S</mi><msub><mi>O</mi><mn>4</mn></msub></math>&nbsp;are neutralised by dilute NaOH solution and x and y kcal of heat are liberated respectively. Which of the following is true?</p>