1 [no object, with adverbial of direction] Move sideways or obliquely: he began crabbing sideways across the roof. More example sentences. 1  I tried to escape, crabbing sideways in an effort to crawl away. 2  Each time the aircraft is forced to crab into the wind the groundspeed is reduced. [no object, with adverbial of direction] Move sideways or obliquely: he began crabbing sideways across the roof. More example sentences. 1  I tried to escape, crabbing sideways in an effort to crawl away. 2  Each time the aircraft is forced to crab into the wind the groundspeed is reduced.
Zn does not reacts with water ... Elementary zinc does not react with water molecules. The ion does form a protective, water insoluble zinc hydroxide (Zn(OH)2) layer with dissolved hydroxide ions, according to the following reaction mechanism:it only reacts with boiling water forming zinc hydroxide and hydrogen... Its fairly nonreactive.he ion does form a protective, water insoluble zinc hydroxide (Zn(OH)2) layer with dissolved hydroxide ions, according to the following reaction mechanism: it only reacts with boiling water forming zinc hydroxide and hydrogen... Its fairly nonreactive.
Calcium, strontium and barium These all react with cold water with increasing vigour to give the metal hydroxide and hydrogen. Strontium and barium have reactivities similar to lithium in Group 1 of the Periodic Table. Calcium, for example, reacts fairly vigorously with cold water in an exothermic reaction.