Acids & Bases

What is the primary taste of lemon juice?

• Sour

• Sweet

• Salty

• Bitter

What term originates from the Latin word 'Acidus'?

• Water

• Acid

• Salt

• Base

Which of the following is not an example of an acid?

• Baking Soda

• Orange

• Lime

• Grapes

What is the nature of soap water?

• Neutral

• Acidic

• None of the above

• Basic

Which of the following is a base?

• Vinegar

• Baking Soda

• Lemon Juice

• Hydrochloric Acid

Which of the following is not a characteristic of bases?

• Produces foam in water

• Feels soapy to touch

• Erodes surfaces

• Tastes bitter

What are the products of an acid-base reaction?

• Hydrogen and Oxygen

• Salt and Water

• Salt and Carbon Dioxide

• Water and Oxygen

What is the result of mixing hydrochloric acid with sodium hydroxide?

• Sodium Bicarbonate

• Chlorine Gas

• Hydrogen Gas

• Sodium Chloride and Water

What cannot be used to determine the nature of a concentrated sulphuric acid solution?

• pH Meter

• Litmus Paper

• Indicator

• Tasting

What does an indicator do when added to an acid or base?

• Remains unchanged

• Produces bubbles

• Changes color

• Changes temperature