Name one acid-base indicator.
Litmus solution is used to detect the acidic and basic characteristics of a substance.
(a) Name one indicator which turns red on adding an acid.
(b) Name one indicator which turns red on adding a base.
(a) Name three acids used in the laboratory.
(b) Name one indicator that turns red on adding a base.
(c) Name the reaction when an acid is mixed with a base.
(d) Write the name of two indicators that occur naturally.
(e) Name three types of salts. Give one example of each type of salt.
(a) What is an acid-base indicator? Name the three common indicators used in chemistry laboratory.
(b) Name an acid-base indicator extracted from lichen.
(c) What colour does the methyl orange turn to when put in an acidic solution ?