Answer:
See below.
Explanation:
Because copper is a very good conductor of electricity so it will likely conduct any electricity away from the person.
Answer:
high ph -basic,low pH -acidic
Explanation:
hi I'm from India nice to meet you
18.is D
19.is A
hope it's correct
Litmus paper turns red in acidic conditions whether its blue or red litmus ,its not NH3 (ammonia) , neither is it barium hydroxide (A) , sodium hydroxide (B) will make it blue or remain blue (depemding on type of paper used ) so it has to be D which is the chemjcal formula for acetic acid , hope this helps !