Warm-up Day 12 : 3.5

Which of the following is a common property of acids?

• They taste bitter.

• They turn blue litmus paper red.

• They feel slippery to the touch.

• They are non-corrosive.

What is the pH range of most acidic solutions?

• 0 to 7

• 7 to 14

• 7

• 14 to 20

Which of the following is a property of bases?

• They taste sour.

• They turn red litmus paper blue.

• They are colorless in phenolphthalein.

• They have a pH less than 7.

Which of the following substances is likely to be corrosive?

• Distilled water

• Sodium hydroxide

• Table salt

• Sugar

What is the result of a neutralization reaction between an acid and a base?

• Water and salt

• Acid and base

• Only water

• Only salt

Which of the following equations represents a neutralization reaction?

Which of the following is an example of a salt formed from a neutralization reaction?

What is the role of an indicator in a chemical reaction involving acids and bases?

• To speed up the reaction

• To change the color to indicate pH level

• To neutralize the acid

• To produce gas

Which of the following statements is true about corrosive substances?

• They are always safe to handle without protection.

• They can cause damage to living tissues and materials.

• They are always in solid form.

• They have no effect on metals.