English

What Happens When an Acid Reacts with a Base? - Science

Advertisements
Advertisements

Question

What happens when an acid reacts with a base?

Solution

When an acid reacts with a base, it nullifies the effect of the base. Such a reaction between an acid and a base to give a salt and water is known as a neutralisation reaction.

The reaction can be represented as given below.
Acid + Base → Salt + Water

shaalaa.com
  Is there an error in this question or solution?
Chapter 2: Acids, Bases and Salts - Exercise 1 [Page 67]

APPEARS IN

Lakhmir Singh Chemistry (Science) [English] Class 10
Chapter 2 Acids, Bases and Salts
Exercise 1 | Q 22.1 | Page 67

Video TutorialsVIEW ALL [2]

RELATED QUESTIONS

  Column A   Column B
i eosin 1 losing hydrogen
ii oxidation 2 synthetic indicator
    3 losing oxygen
    4 natural indicator

 


Name the product formed when Cl2 and H2 produced during the electrolysis of brine are made to combine.

 

If you take some distilled water in a test-tube, add an equal amount of acetic acid to it, shake the test-tube well and leave it undisturbed on the test-tube stand, then after about 5 minutes what would you observe?
(A) There is a layer of water over the layer of acetic acid.
(B) A precipitate is setting at the bottom of the test-tube.
(C) Bubbles of colourless gas are coming out of the test-tube.
(D) There is a clear, colourless transparent solutions in the test-tube.


Read the following statements: 

I. When a red litmus paper is dipped into reaction mixture of a saponification reaction, it turns blue and the reaction is exothermic.

II. When a blue litmus paper is dipped into reaction mixture of a saponification reaction, its colour does not change and the reaction is exothermic.

III. When a red litmus paper is dipped into reaction mixture of a saponification reaction, its colour does not change and the reaction is endothermic.

IV. When a blue litmus paper is dipped into reaction mixture of a saponification reaction, its colour does not change and the reaction is endothermic.

Which of the above statements are correct:

(A) I, and II

(B) II and III

(C) III and IV

(D) I and IV


With the help of suitable examples explain the term neutralization and the formation of –

  1. acidic,
  2. basic and
  3. neutral salts

If a few drops of a concentrated acid accidentally spills over the hand of a student, what should be done?


In the following schematic diagram for the preparation of hydrogen gas as shown in the figure, what would happen if following changes are made?

  1. In place of zinc granules, same amount of zinc dust is taken in the test tube
  2. Instead of dilute sulphuric acid, dilute hydrochloric acid is taken
  3. In place of zinc, copper turnings are taken
  4. Sodium hydroxide is taken in place of dilute sulphuric acid and the tube is heated.

Copper or brass cooking vessels are coated with tin metal. Why?


Write notes on the properties of acids.


Consider the following salt:

NH4X

If in salt NH4X, X is nitrate, then its solution will give what colour with a universal indicator? Why?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×