Skip to content / Đến nội dung
ThichHocToan.com

PIMSO 2021 - Science - Grade 5 - National Round Mock Test Question 13

PIMSO Science · PIMSO 2021 - Science - Grade 5 - National Round Mock Test

Question 13

Two neutral insulators P and H are rubbed together. After a while, insulator H becomes positively charged. Which of the following statements could have happened?
  1. Insulator P lost some electrons to insulator H.
  2. Insulator H lost some electrons to insulator P.
  3. Insulator H gained positive charge from insulator P.
  4. Insulator P gained positive charge from insulator H.