Soap is………….in nature. NTS PST (B) -------2021
a) Alkaline
b) Acidic
c) Neutral
d) Indicator
The word acid is derived from a
Latin word “acidus” which means………
a) bitter
b) salty
c) sweet
d) sour
It is defined as a substance, which provides hydrogen ion H+ in aqueous solution.
a) Alkali
b) Acid
c) Salt
d) None of these
Solutions in which water is used as a solvent are called………solution.
PST –P-3---(date not confirm)
a) universal
b) homogenous
c) aqueous
d) aqueous compound
Which of the following is/are the physical property of acids?
a) sour taste, turn blue litmus paper to red
b) aqueous solution of acids conduct electric current
c) turn methyl orange to red
d) all of theses
An acid gives ……..when dissolved in water.
a) Hydrogen ion H+
b) OH-
c) O+
d) none of these