Aluminium objects do not need protection from corrosion. Iron objects must be protected from corrosion. Which statement explains why aluminium resists corrosion? 0620_w21_qp_23 MCQ 2021 Paper 2, Variant 3 View
When a piece of aluminium foil is added to dilute hydrochloric acid, no effervescence is seen. Which statement explains why no effervescence is seen? 0620_w23_qp_21 MCQ 2023 Paper 2, Variant 1 View