Advertisements
Advertisements
Question
What do you understand by the term, acid?
Advertisements
Solution
Acids are defined as compounds which contain one or more hydrogen atoms, and when dissolved in water, they produce hydronium ions (H3O+), the only positively charged ions.
RELATED QUESTIONS
Name the source from which litmus solution is obtained. What is the use of this solution?
When a piece of limestone reacts with dilute HCl, a gas X is produced. When gas X is passed through lime water then a white precipitate Y is formed. On passing excess of gas X, the white precipitate dissolves forming a soluble compound Z.
- What are X, Y and Z?
- Write equations for the reactions which take place:
- When limestone reacts with dilute HCl.
- When gas X reacts with lime water to form white precipitate Y.
- When excess of gas X dissolves white precipitate Y to form a soluble compound Z.
Bee sting contains:
(a) an acidic liquid
(b) a salt solution
(c) an alkaline liquid
(d) an alcohol
Name an acid used to flavor and preserve food.
Give the name and formula of two : Weak dibasic acids
Acids are ________ in taste.
Classify the various types of Acids based on their sources.
What happens when a solution of an acid is mixed with a solution of a base in a test tube?
(i) Temperature of the solution decreases.
(ii) Temperature of the solution increases.
(iii) Temperature of the solution remains the same.
(iv) Salt formation takes place.
Which of the following is acidic in nature?
To Interpret:
CH4 and NH3, are not acids.
