Acids Bases Salts

Neutralization is a reaction between

• Two acids

• Two bases

• One acid and one base

• None of them

Common salt is

• Acidic

• Neutral

• Basic

• all of them

From which plant litmus is extracted

• Lichens

• Roses

• neem

• China rose

Lemon drop turns

• Red litmus into blue

• No reaction

• Blue Litmus into red

• All of them

Milk of magnesia is used as an

• Chocolate

• Soup

• antacid

• None of them

A base has a ___________ taste.

• bland

• salty

• bitter

• sour

What are acids?

• Acids are substances that taste sweet, can dissolve metals (depending on the type of acid) and are acidic in nature.

• Acids are substances that taste sour, can dissolve metals (depending on the type of acid) and are acidic in nature.

• Acids are substances that taste sour, can dissolve metals (depending on the type of acid) and are basic in nature.

What are Bases?

• Bases are substances that are bitter in taste, feel soapy when touched and are acidic in nature.

• Bases are substances that are sour in taste, feel soapy when touched and are basic in nature.

• Bases are substances that are bitter in taste, feel soapy when touched and are basic in nature.

• Acids are substances that are bitter in taste, feel soapy when touched and are basic in nature.

What are the substances used to test whether another substance is acidic or basic in nature?

• Spoon

• Bases

• Acids

• Indicators

Choose all the substances that are acids.

• Ant's Sting

• Window Cleaner

• Tamarind

• Curd