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Which one is not Correct?
ক
A + 0=A
খ
a.1=A
গ
A + A'=1
ঘ
A.A'=1
Which of the following is a colligative property?
ক
Relative lowering of fluid pressure
খ
Decrease in boiling point
গ
Decrease in freezing point
ঘ
Change in volume after mixing
PH of human blood is
ক
12
খ
3
গ
7.5
ঘ
6