During the reaction of some metals with dilute hydrochloric acid following observation are made
1.silver metal does not show any change.
2. the temperature of the reaction mixture rises when aluminium is added
3. the reaction of na metal is found highly explosive
4. some bubbles of gas were seen when pb reacted with acid.
explain these observations with suitable reasons

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Answers

2015-05-30T14:07:38+05:30
The answer of 3 is when hydrocloric acid and sodium is mixed salt and hydrogen is produced and hydrogen is highly explosive gas.
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