A solution is neutral when its pH and pOH value is………
a) 6
b) 7
c) 8
d) 9
The pH value of milk is 6.4 therefore it is
a) acidic
b) basic
c) neutral
d) none of these
The pH of blood is………
a) 17.4___ 17.5
b) 7.4___ 7.5
c) 11.4___ 11.5
d) 15.4___ 15.5
………cause stomach acidity.
a) carbohydrate
b) fats
c) proteins
d) both a & b
Medicine such as magnesium hydroxide which is………are used antacid.
a) weak acid
b) strong acid
c) weak base
d) strong acid
The chemical formula of magnesium hydroxide is………
a) Al (OH)2
b) mg (OH)2
c) Mg ( OH)2
d) none of these
