Acid and alkali

The pH of pure water

• 5.6

• 7.0

• 8.1

• 0.0

Acid in our stomach:

• Hydrochloric acid

• Sulfuric acid

• Acetic acid

• Carbonic acid

Acid in soft drink:

• Hydrochloric acid

• Sulfuric acid

• Acetic acid

• Carbonic acid

Acid in car battery:

• Hydrochloric acid

• Sulfuric acid

• Acetic acid

• Carbonic acid

Tags

NGSS.MS-PS1-5

Which substance is alkali?

• Toothpaste

• Vinegar

• Lemon juice

• Soft drink

The color of litmus in alkali:

• Red

• Blue

• Purple

• Green

The color of litmus in neutral solution:

• Red

• Blue

• Purple

• Green

The color of universal indicator in pure water:

• Red

• Blue

• Purple

• Green

Acids taste .....

• sour

• bitter

• sweet

• umami

Rain water is slightly acidic. What is its pH?

• 1.0

• 5.6

• 7.0

• 8.2