Which statements about ethanoic acid are correct?
1 Aqueous ethanoic acid reacts with magnesium to form magnesium ethanoate.
2 Carbon dioxide is formed when aqueous ethanoic acid reacts with sodium carbonate.
3 Hydrogen is formed when aqueous ethanoic acid reacts with sodium hydroxide.
4 Ethanoic acid turns red litmus paper blue.
1 and 2
2 )
1 and 3
3 )
2 and 3
4 )
2 and 4
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