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

Which one of these is an indicator?

• Litmus Paper

• Orange Juice

• Shampoo

• Lotion

Where is litmus solution extracted from?

• Litmus Paper

• Lichen

• Oranges

• Acids + Bases

What is the process of Acid and Bases mixed together called?

• Explosion

• Indication

• Inflamation

• Neutralisation

What can be applied to neutralise an ant's sting?

• Milk of Magnesia

• Calamaline Solution

• Lime Water

• Ammonium Hydroxide

What new substance in formed during nuetralisation?

• Sugar

• Salt

• Lemon Juice

• Curd

What type of acid helps us digest our food everyday?

• Tartaric Acid

• Acidic Acid

• Hydrochloric Acid

• Lactic Acid?