Choose the correct answer:
 
1. Reaction of metals with water:
 
a. Magnesium -
 
b. Aluminium + Steam -
 
2. Arrange the metals in order of decreasing reactivity toward water:
Answer variants:
\(Mg\)
\(Ca\)
\(Al\)
\(Fe\)
\(Pb\)
\(Na\)
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