Considering the elements B, C, N, F, and Si, the correct order of their non-metallic character is:
(a) B
The non-metallic character of elements increases from left to right across a period. Thus, the decreasing order of non-metallic character is F
1. The non-metal found in the liquid state is
2. Percentage of carbon in steel i ranges from
3. Nitrogen fixation is a process of
5. If lime water is kept in the air, it turns milky due to presence of :
7. Addition of suitable impurities into semiconductor, is called
9. Which of the following in automobile exhaust can cause cancer?