☰ Contents · Physics

Electrolysis problems and uses

Lessons 44–45 · 2 lessons · P.Q. Habibullayev, A. Boydedayev, A.D. Bahromov, J.E. Usarov, K.T. Suyarov, M.K. Yuldasheva. Physics, textbook for Grade 8 of general secondary schools, revised and enlarged 3rd edition. “O‘qituvchi” Publishing and Printing Creative House, Tashkent, 2019
Answers are for parents and teachers.
1
k = 0.304 mg/C (nickel), q = 10 000 C. The mass in mg?
2
Ag (k = 1.118 mg/C), I = 4 A. How many s are needed to release 2236 mg?
3
S = 100 cm², h = 0.002 cm, ρ = 9 g/cm³. The coating mass in g?
4
Give an example of galvanostegy.
5
Write one safety rule for working with electrolysis.