MCQ
Which of the following element have highest ionization enthalpy?
- ALi
- BBe
- CNa
- ✓B
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$(A)$ Limestone is used to remove silicate impurity.
$(B)$ Pig iron obtained from blast furnace contains about $4 \%$ carbon.
$(C)$ Coke $(C)$ converts $CO _2$ to $CO$.
$(D)$ Exhaust gases consist of $NO _2$ and $CO$.