Acids Bases and Salts

Which substances taste us sour ?

• Bases

• Neutralizers

• Salts

• Acids

Lemons have which acid present?

• Nitric Acid

• Citric Acid

• Lactic Acid

• Sulphuric Acid

Colours of phenolphthalein indicator in acidic and basic medium, respectively are:

• pink and colourless

• colourless and pink

• blue and red

• red and blue

Which of the following is a natural indicator?

• China rose petal

• Turmeric

• Litmus

• All of these

Strong Acids are

• Concentrated

• Dilute

• Powerful

• Common

Blue litmus paper turns _________ on adding acid.

• Remains the same

• Purple

• Red

• Green

Explain concentrated acids .

What is it

• Acid

• Base

• Neutral

• None of these

2 strong acids .

• Sulfuric

• Acitic

• Nitric

• Citric

Calcium hydroxide is the scientific name of

• Lime

• Soap

• Lime Water