Acids, Bases, and Neutrals Quiz

What is a property of acids?

• Taste bitter and feels slippery on the skin

• Feel slippery on the skin and tastes sour

• Feel rough on the skin and tastes bitter

• Taste sour and feels rough on the skin

What is a property of bases?

• Taste bitter and feels slippery on the skin

• Feel slippery on the skin and tastes sour

• Feel rough on the skin and tastes bitter

• Taste sour and feels rough on the skin

Which substance is an example of a base?

• Vinegar

• Bicarbonate of soda

• Fruit juices

• Lemon juice

Which indicator is used to test whether a substance is an acid, a base, or a neutral?

• Purple litmus paper

• Green litmus paper

• Yellow litmus paper

• Red and blue litmus paper

What happens to blue litmus paper when it comes into contact with an acid?

• It turns red

• It remains blue

• It turns green

• It turns yellow

What is an example of a neutral substance?

• Washing powder

• Vinegar

• Bleach

• Salt

What is the property of neutrals?

• Taste bitter

• Feel rough on the skin

• Taste sour

• Neither acids nor bases

Which substance is an example of an acid?

• Vinegar

• Bicarbonate of soda

• Blood

• Drain cleaner

What color does red litmus paper turn when it comes into contact with a base?

• It remains red

• It turns blue

• It turns green

• It turns yellow

How do we use litmus paper to identify a neutral?

• Red litmus remains red and blue litmus turns red

• Red litmus remains red and blue litmus remains blue

• Red litmus turns blue and blue litmus remains blue

• Red litmus turns blue and blue litmus turns red