____________ is known as washing soda.
Rock salt
Sodium carbonate
Sodium bicarbonate
Sodium hydroxide
The reaction between a metal oxide and an acid gives ____________ and _____________.
Alkali, water
Salt, water
Salt, hydrogen
Alkali, hydrogen
Which natural indicator extracted from lichens?
Litmus
Turmeric
China rose
none of these
The acid present in grapes?
Ascorbic acid
Citric acid
Tartaric acid
Acetic Acid
The solutions which do not change the colour of either red or blue litmus are known as ________.
Basic
Acidic
Neutral
________________ acid is present in ant sting.
Methanoic
Citric
Lactic
Formic
The turmeric stain on a white shirt is turned to ----------when it is washed with soap.
Blue
Red
Green
Remains the same colour
______________ acid is present in vinegar.
Acetic
Oxalic
________ acid is present in orange.
Name the acid present in ant's sting?
Acetic acid
Lactic acid
Formic acid
