Question
Define : Tinning
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| Subphylum/Class | Characteristics |
| (1) Cyclostomata | (a) Collar cells |
| (2) Urochordat | (b) Sucker |
| (c) Tunic | |
| (d) Chitinous exoskeleton |
|
|
Elements
|
Least atomic radius
|
Chemically least reactive
|
|
(i)
|
F, Cl, Br
|
.....................
|
.....................
|
|
(ii)
|
Li, Na, K
|
.....................
|
.....................
|
