MCQ
If in a right-angled triangle ABC, the hypotenuse AB = p, then `overline"AB".overline" AC" + overline"BC".overline" BA" + overline" CA".overline"CB"` is equal to ______
- A$3p^2$
- ✓$p^2$
- C$`("p"^2)/2`$
- D$`(3"p"^2)/2`$
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| Column I | Column II | ||
| i. | Chloromycetin | a. | Streptomyces erytreus |
| ii. | Erythromycin | b. | Streptomyces venezuelae |
| iii. | Bacitracin | c. | Streptomyces aureofaciens |
| iv. | Terramycin | d. | bacillus licheniformis |
$\ce{N-N Dimethyl aniline ->[A][273-278 K] 4-nitroso-N-N-dimethylaniline}$
