MCQ
An endothermic reaction is one in which
- AHeat is converted into electricity
- BHeat is absorbed
- CHeat is evolved
- DHeat is converted into mechanical work
While, any reaction involving overall heat releasing of heat is known as exothermic reaction.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

[Assume no volume change on adding $\mathrm{NH}_{3}$ ]
$A.$ The electron gain enthalpy of $F$ is more negative than that of $Cl$
$B.$ Ionization enthalpy decreases in a group of periodic table
$C.$ The electronegativity of an atom depends upon the atoms bonded to it.
$D.$ $Al _2 O _3$ and $NO$ are examples of amphoteric oxides.
Choose the most appropriate answer from the options given below: