Answer:
Soap decreases surface tension by changing the way water behaves on the surface. Hard and soft water react differently when soap is added to them.
Explanation: i think it is this
The corrects answer is 259 K
1 The British opposed the succession of Sirajuddaulah
2 The British misued the trade concessions
3 The British attacaked the French settlement of
Chandranagar in Bengal
<span>4 The Incident of Black hole had occured</span>