Question

what is meaning of speaker​

Answer 1

Answer:

Hiz

Explanation:

Speaker is a device xD

We know that an Olfactory indicator is a substance whose smell varies depending on whether it is mixed with an acidic or basic solution. Olfactory indicators can be used in the laboratory to test whether a solution is a base or an acid, a process called olfactory titration.

Answer 2

Answer:

noun. a person who speaks. a person who speaks formally before an audience; lecturer; orator. (usually initial capital letter) the presiding officer of the U.S. House of Representatives, the British House of Commons, or other such legislative assembly. Also called loudspeaker.