Chapter 5_Acid Base And Salt (Intro)

Some edible items taste sour because they contain………..

• Base

• Acid

• Salt

• None of the above

The substances which are used to determine whether a substance is acidic or basic are known as ………..

Litmus is extracted from …….

A child got an ant bite and somebody suggested to apply lemon juice on it, but it didn’t help, why?

Look around your house and make a list of items which you think contains acid or have acidic properties. What is the rationale behind your list?

We often use toilet cleaners which contains acid to clean our toilets. What are the consequences of this?

Draw the stages of making your own indicator paper using chinarose.

Match the following

• Oxalic acid

• 
• Tartaric Acid

• 
• Ascorbic acid

• 
• Lactic acid

• 
• Base

• 

You went to a party last night, enjoyed several dishes and once you came home you were feeling uneasy. What could be the reason?

Name a few incidents where you have seen neutralization reaction in your daily life. Could you mention what are the things which are reacting with each other and canceling each others effects.