CH-1585
Reactivity series
Chemistry · Secondary 4 · Easy · Reactivity series
Hydrogen gas is passed over heated magnesium oxide. What is the expected observation?
- White solid turns grey as magnesium forms.
- White solid remains unchanged.
- White solid turns black.
- White solid dissolves to form a colourless solution.
Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.