When temperature changes it melts the ice over the lake.
- As we know the melting point of ice or water is 0°C or 273K
- So if the temperature arises up to 0°C or 273.16K then the ice starts melting .
Answer:
There will be 16 electrons in O2-
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Explanation:
When a strong acid, say 
reacts which a weak base, say 
, the reaction is shown below as:-
The salt further reacts with water as shown below:-
Formation of 
lowers the pH value of the solution as more hydrogen ions leads to less pH.
