Acids and Bases Quiz

What is the taste of acids?

• Sweet

• Sour

• Bitter

• Salty

Which one of the following turns red litmus paper blue?

• Lemon juice

• Vinegar

• Soap solution

• Orange juice

Which indicator turns pink in basic solution?

• Litmus

• China rose

• Phenolphthalein

• Turmeric

Which of the following is a natural indicator?

• Turmeric

• Methyl orange

• Phenolphthalein

• Sodium hydroxide

What is produced during a neutralization reaction?

• Salt only

• Acid only

• Salt and water

• Base and acid

Which acid is present in vinegar?

• Lactic acid

• Oxalic acid

• Acetic acid

• Formic acid

What should you apply on an ant bite to get relief?

• Soap water

• Vinegar

• Baking soda paste

• Tomato juice

What is the nature of toothpaste?

• Acidic

• Basic

• Neutral

• Salty

Turmeric turns red when it comes in contact with:

• Acid

• Salt

• Water

• Base

What is acid rain caused by?

• Too much water vapour

• Mixing of acids in rainwater due to pollution

• Heavy snowfall

• Distilled water falling as rain