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PIMSO 2025 - Science - Primary 5 - National Round Question 13

PIMSO Science · PIMSO 2025 - Science - Primary 5 - National Round

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.