Advertisements
Advertisements
Question
Write any four physical properties of acids.
Solution
- Acids are sour in taste.
- They are corrosive in nature. Strong acids can spoil substances like human skin, clothes, and paper.
- Generally, acids exist in a liquid state but few acids exist in a solid-state too. E.g. Benzoic acid.
- Acids are colorless.
- Acids change the color of the indicators. Blue litmus paper turns red and methyl orange turns pink when treated with acids.
APPEARS IN
RELATED QUESTIONS
Why do HCl, HNO3, etc., show acidic characters in aqueous solutions while solutions of compounds like alcohol and glucose do not show acidic character?
Write a word equation and then a balanced equation for the reaction taking place when:
Dilute hydrochloric acid reacts with iron filings.
Complete and balance the followingchemicalequations:
NaHCO3 (S) + HCI (aq) →
What happens when an acid reacts with a metal hydrogencarbonate? Write equation of the reaction which takes place.
What happens when an acid reacts with a metal oxide? Explain with the help of an example. Write a balanced equation for the reaction involved.
On adding dilute hydrochloric acid to copper oxide powder, the solution formed is blue-green.
Predict the new compound formed which imparts a blue-green colour to solution.
Hydrochloric acid reacts with a metal X to form a gas Y which burns with a 'pop' sound. Sodium hydroxide solution also reacts with the same metal X (on heating) to form the same gas Y.
Name X and Y
Which of the following salts does not contain any water of crystallisation?
If a few drops of a concentrated acid accidentally spills over the hand of a student, what should be done?
“All acids contain one or more hydrogen atoms, but not all substances containing hydrogen are acids.” Support this statement with examples.