How could you show that a charged object could repel or attract another object without touching it? and if you can do question 2 it would be really good <3

An object becomes electrically charged when negative charges move into it from a second object. does the second object also become electrically charged? Explain your answer.

What is the volume of the fluid in the graduated cylinder with accuracy and measured to the correct degree of precision? 41.2 ml 42.0 ml 41.23 ml 41.89 ml

According to the diagram; a) identify the anode of the cell and write the half-reaction that occurs there b) write the overall equation for the reaction that occurs as the cell operates c) calculate the value of the standard cell potential ,e cell. d)write the shorthand notation of the cell above e)indicate the flow of the electrons on the diagram

Idon’t know how to solve this question