CH-1573
Reactivity series
Chemistry · Secondary 4 · Medium · Reactivity series
Metal Q is more reactive than copper. A strip of Q is placed into aqueous copper(II) nitrate.
Which observation is correct?
Which observation is correct?
- Brown solid forms on Q and the blue solution fades
- Colourless gas bubbles form and the blue solution remains unchanged
- No visible change is seen
- The solution turns bright green and no solid forms
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