English

Define Acid.

Advertisements
Advertisements

Questions

Define Acid.

Define the following term: 

Acid

Definition
Advertisements

Solution

An acid is a compound which when dissolved in water produces hydronium ion(H3O+), the only positively charged
ion and a negative ion.

shaalaa.com
  Is there an error in this question or solution?
Chapter 14: Acids and Bases - Exercises [Page 164]

APPEARS IN

Samacheer Kalvi Science [English] Class 8 TN Board
Chapter 14 Acids and Bases
Exercises | Q IV. 1. | Page 164
Frank Chemistry Part 2 [English] Class 10 ICSE
Chapter 3 Study of Acids, Bases and Salts
Questions from ICSE Examinations | Q 1999. 1. (a) (i) | Page 71

Video TutorialsVIEW ALL [1]

RELATED QUESTIONS

When a solution is added to a cloth strip treated with onion extract, then the smell of onion cannot be detected. State whether the given solution contains an acid or a base.


Give the names and formulae of two strong acids.


Name one natural source of the following acid:

Tartaric acid


A white shirt has a yellow stain of curry. When soap is rubbed on this shirt during washing, the yellow stain turns reddish-brown. On rinsing the shirt with plenty of water, the reddish-brown stain turns yellow again.

Explain the changes in colour of this indicator which take place during washing and rinsing the shirt.


The salt which will give an acidic solution on dissolving in water is ______.


Give one example in the following case:

A hydrogen containing compound which is not an acid.


Identify the following solutions, whether they are acid or base.

Solution Change in Indicator Acid/Base
Litmus Phenolphthalein Methyl orange
1. -- No change --  
2. -- -- Orange colour turns red  
3. Red litmus turns blue -- --  

Write the balanced equations for the reaction required to convert insoluble lead (II) oxide into insoluble lead chloride.


HCl, HNO3, C2H5OH, C6H12O6 all contain H atoms but only HCl and HNO3 show acidic character. Why?


The preparation of Lead sulphate from Lead carbonate is a two-step process. (Lead sulphate cannot be prepared by adding dilute Sulphuric acid to Lead carbonate.)

Write the equation for the reaction that will take place when this first step is carried out.


Name the positive ion formed When an acid is dissolved in water.


Most of the acids are not soluble in water.


Since metal carbonate and metal bicarbonate are basic, they react with acids to give salt and water with the liberation of ______.


While playing in a park, a child was stung by a wasp. Some elders suggested applying paste of baking soda and others lemon juice as remedy. Which remedy do you think is appropriate and why?


Match the substances in Column I with those in Column II.

Column 1 Column II
(a) Tartaric acid (i) soap
(b) Calcium hydroxide (ii) curd
(c) Formic acid (iii) unripe mangoes
(d) Sodium hydroxide (iv) ant’s sting
(e)  Lactic acid (v)  lime water

______ contain one or more replaceable hydrogen atoms.


Non-metallic oxides are ______ in nature.


Exlain the following:

\[\ce{H3PO3}\] is not tribasic acid.


Bring the soil sample of your area, find out if it is acidic, basic or neutral. Discuss with farmers if they treat the soil in any manner.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×