Which of the following is/are acidic according to pH scale?
a) apple
b)milk
c)banana and tomato
d)all of these
Which of the following is/are alkaline according to pH scale?
a) baking soda and ammonia
b) drain cleaner
c) soap and shampoo
d) all of these
What is the normal pH of blood?
a) acidic
b) alkaline
c) neutral
d)all of these
Exercise:
Which of the
following pH value denotes acid?
a) 11
b) 8
c) 3
d) 7
Which acid is present in vinegar?
a)HCl
b) HNO3
c)CH3COOH
d) H2CO3
