Which of the following is an acid-base indicator?
Important Questions on Acids, Bases and Salts
Look at the given reaction.
Hydrochloric acid Sodium hydroxide (base) → Sodium chloride (salt) Water
Sodium chloride formed in this reaction remains in solution form. Can we get solid sodium chloride from this solution? Suggest a method (if any).
State whether the following statement is true or false. Correct the false statement.
All substances are either acidic or basic.
State whether the following statement is true or false. Correct the false statement.
A compound, if acidic, will turn all indicators red.
State whether the following statement is true or false. Correct the false statement.
Lime water turns red litmus blue.
State whether the following statement is true or false. Correct the false statement.
Common salt dissolved in water turns blue litmus red.
State whether the following statement is true or false. Correct the false statement.
Phenolphthalein is a natural indicator.
State whether the following statement is true or false. Correct the false statement.
Calamine can be used to treat ant’s sting.
State whether the following statement is true or false. Correct the false statement.
Lemon water is basic in nature.
