Which of the following metals cannot replace hydrogen from water or steam?
Sodium
Magnesium
Iron
Copper
Please review your options, the answer is not there
correct but what about iron 😅
The option D chosen suppose to be copper (Cu) not calcium
Lekman2027
14th August, 2025
happysolomon
22nd June, 2026
Fifi53453
23rd June, 2026
