Sodium Carbonate. Sodium carbonate is a sodium salt of carbonic acid and a strong base. It is supplied as a white, odorless powder that is hygroscopic and very soluble in water producing a strong alkaline solution.
1. to refrain from claiming or insisting on; forgo: to waive one's rank. 2. to relinquish (a right) intentionally: to waive an option. 3. to put aside, esp. for the time; defer or dispense with: to waive formalities. 4. to dismiss from consideration or discussion. [1250â1300; Middle English weyven < Anglo-French weyver to make a waif (of someone) by forsaking or outlawing (him or her)]
waiving. 1  transitive verb. 2  1 archaic : give up, forsake. 3  2 : to throw away (stolen goods) 4  3 archaic : to shunt aside (a danger or duty) : evade. 5  4a : to relinquish (something, such as a legal right) voluntarily waive a jury trialb : to refrain from pressing or enforcing (something, such as a claim or rule) : forgo waive the fee.