When the pH value is less than 7 , then the solution is
Basic
Natural
Salt
Acidic
Washing soda is
NaHCO3
Na2CO3
Na2SO4
NaCl
Substances which are sour to taste are
Bases
Acids
Salts
Neutral solutions
When NaCl is electrolysed , the gas liberated at anode is
H2
O2
Na
Cl2
10% NaCl is called
Buffer solution
Acidic solution
Brine solution
Basic solution
A synthetic indicator is
Methyl orange
Turmeric
NaOH
Beetroot
In FeSO4 7H2O , H2O represents
Water
Water content
Water of crystallization
Solution
_________ can be used as a fire extinguisher .
CaOCl2
A weak acid is
HCL
H2SO4
HNO3
Acetic acid
Phenolphthalein is a
Natural indicator
Olfactory indicator
Synthetic indicator
Universal indicator
