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What is acid burn?

Important Questions on Acids, Bases and Salts

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Physical Science>Chemistry>Acids, Bases and Salts>Oxides and their Classification
Which one of the following is the weakest acid?
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Physical Science>Chemistry>Acids, Bases and Salts>Oxides and their Classification
Select the mineral acid from the following 
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Physical Science>Chemistry>Acids, Bases and Salts>Oxides and their Classification
Select the organic acid from the following:
HARD
Physical Science>Chemistry>Acids, Bases and Salts>Oxides and their Classification
Conjugate acid-base pair is
MEDIUM
Physical Science>Chemistry>Acids, Bases and Salts>Oxides and their Classification
Write any three functions of HCl secreted in the stomach.
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Physical Science>Chemistry>Acids, Bases and Salts>Oxides and their Classification
Identify the solid acid at room temperature.
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Physical Science>Chemistry>Acids, Bases and Salts>Oxides and their Classification
Which acid is present in tomato?
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Physical Science>Chemistry>Acids, Bases and Salts>Oxides and their Classification
One of the following is not an organic acid.This is 
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Physical Science>Chemistry>Acids, Bases and Salts>Oxides and their Classification
Write the function of HCl secreted in the stomach.
MEDIUM
Physical Science>Chemistry>Acids, Bases and Salts>Oxides and their Classification
Attempt the following:
Food is broken down in the alimentary canal into smaller molecules:
(a) What is the importance of HCl in the stomach of man?
(b) What is the role of Bile Salts in the Emulsification of Fats?
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Physical Science>Chemistry>Acids, Bases and Salts>Oxides and their Classification
 Give any two uses of ethanoic acid.
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Physical Science>Chemistry>Acids, Bases and Salts>Oxides and their Classification
Name two natural sources of acid and base.
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Physical Science>Chemistry>Acids, Bases and Salts>Oxides and their Classification
Which of the following is a dibasic acid?
HARD
Physical Science>Chemistry>Acids, Bases and Salts>Oxides and their Classification
Complete the table:
S. No. Organic acids Natural sources
1 Acetic /Ethanoic acid  
2 Citric acid  
3 Lactic acid  
4   Unripe grapes
5   Tomatoes
6 Formic acid /Methanoic acid  
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Physical Science>Chemistry>Acids, Bases and Salts>Oxides and their Classification
On what basis will you classify acids?
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Physical Science>Chemistry>Acids, Bases and Salts>Oxides and their Classification
Define a base. What do you understand by the acidity of a base?
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Physical Science>Chemistry>Acids, Bases and Salts>Oxides and their Classification
What do you mean by the basicity of an acid?
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Physical Science>Chemistry>Acids, Bases and Salts>Oxides and their Classification

Classify the acids according to their basicity and give one example of each type.

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Physical Science>Chemistry>Acids, Bases and Salts>Oxides and their Classification
What do you mean by 'replaceable hydrogen’.
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Physical Science>Chemistry>Acids, Bases and Salts>Oxides and their Classification
Explain acid, base and salt. Give two examples in each case.