The sour taste is due to an acid called.…
a) lactic acid
b) malic acid
c) formic acid
d) citric acid
Lemon, oranges,
grapefruits and other citrus fruit have ……….taste.
a) sweet
b) sour
c) bitter
c) salty
When we wash hands with soap or brush our teeth with toothpaste, we are using.…
a) base
b) acid
c) Both a & b
d) None of these
……….are soapy to touch.
a) Acid
b) Salt
c) Bases
d) Alkali
Table salt, baking products etc. are some
a) acid
b) base
c) alkali
d) salt
