Acid hydrolysis of $X$ yields two different organic compounds. Which one of the following is $X$?

The number of points $P(x, y)$ with natural numbers as coordinates that lie inside the quadrilateral formed by the lines $2x + y = 2$,$x = 0$,$y = 0$,and $x + y = 5$ is

Which of the following statements is correct?

Which of the following statements is incorrect regarding physisorption?

In a potentiometer experiment,the balancing length with a cell is $240\,cm$. On shunting the cell with a resistance of $2\,\Omega$,the balancing length becomes $120\,cm$. The internal resistance of the cell is ................... $\Omega$.

The circle $4x^2 + 4y^2 - 12x - 12y + 9 = 0$