7Ea Acids and Alkalis

Which of the following substances is acidic?

• Pepsi

• Water

• Toothpaste

Which of the following substances is neutral?

• Pepsi

• Water

• Toothpaste

An acid turn blue litmus paper red

• True

• False

Which one is more dangerous?

• Concentrated acid.

• Dilute acid.

Oranges, lemons, and tangerines are all

• acidic

• basic

• neutral

Which of the following pH numbers is acidic?

• 1

• 7

• 12

An strong acid or alkaline can burn your hand.

• True

• False

When an acid and an alkaline react it is called neutralization.

• True

• False

What does the following symbol represent?

• corrosive.

• irritant.

• harmful.

• poisonous.

What does the following symbol represent?

• flammable.

• poisonous.

• corrosive.

• irritant.