Question

Which option ... Is correct...
?

Answer 1

2nd one is correct
B>C>A>D
lemon juice-2.0 acidic
Blood-7.35 neutral
milk magnesia -10.5 basic
sodium hydroxide solution-12 basic.

Answer 2

It is known that....

ph of Milk of Magnesia -> 10.5
ph of Lemon Juice -> 2-3
ph of blood -> 7.35-7.45
ph of Sodium Hydroxide Solution -> 14

Therefore, correct option is...

(3) D>A>C>B


Hope this helps...
Comment if you have any doubt....