The device used to detect the presence of static electric charges on a body is called (ammeter/gold leaf electroscope)

Layer test is used to detect the presence of

Sure check for presence of electric charge is

The borax bead test can be used to detect the presence of

The device used to hear heartbeats is called a

An electrically charged atom is called..………..

Give one test that can be used to detect the presence of the ion produced.

A device used for detecting the presence of very weak electric charges and determining whether that charge is positive or negative

Give one test that can be used to detect the presence of ion produced when ammonia dissolves in water.

A positively charged body is brought near to bob of an uncharged gold leaf electroscope , then :

To detect the presence of CO2 ​ ________ water is used.