Acids and Bases

Front

What is the pH value of a neutral substance?

Back

7

Front

What pH value indicates a basic substance?

Back

Any pH value greater than 7, for example, 8.1.

Front

What pH value indicates an acidic substance?

Back

Any pH value less than 7, for example, 4.

Front

What gas is produced when acids react with metals?

Back

Hydrogen gas.

Front

What do acids produce when they react with metals?

Back

Hydrogen gas and salt.

Front

Do all bases have a sour taste?

Back

No, that statement is false.

Front

What is the general taste of acids?

Back

Sour.

Front

What is the general taste of bases?

Back

Bitter.

Front

What is the range of pH values for acids?

Back

0 to less than 7.

Front

What is the range of pH values for bases?

Back

Greater than 7 to 14.