Answer:
B. Acidic
Explanation:
Neutral an Basic solutions wouldn't create any reaction
0.1 second
We are given;
Power; P = 350 W
Force; F = 7 N
Distance; d = 5 m
Formula for power is;
P = workdone/time taken
Workdone = F × d
Thus;
350 = (7 × 5)/t
t = 35/350
t = 0.1 second