What is the pH of the neutral solution?
a)7
b) less than 7
c) more than 7
d) greater than 14
What is the pH of the alkaline solution?
a) 7
b) less than 7
c) greater than 7
d) greater than 14
pH paper or universal indicator contains mixture of different…….
a) indicators
b) alkalis
c) salts
d) acids
What is the range of litmus indicator?
a) 1 to 2.3
b) 2.3 to 3.8
c) 4.5 to 8.32
d) 10 to 11
What is the pH of HCl according pH scale?
a) 0 to 1
b) 2
c) 5
d) 9
What is the pH of lemon?
a) 2
b) 2 to 3
c) 3 to 4
d) 4
