Acids and Bases Reactions

When dissolved in water, acids produce __________.

• bases

• salts

• hydrogen ions

• hydroxide ions

Tags

NGSS.HS-PS1-2

What is the chemical formula for sulfuric acid?

• HSO₄

• HNO₃

• H₂SO₄

• H₃SO₄

Zn(OH)₂ is an example of a __________.

• acid

• base

• salt

Many cleaning solutions are bases. Which of the following is a property of most bases?

• feels slippery

• white color

• can only be liquid

• tastes sour

Tags

NGSS.HS-PS1-1

Holly has an unknown substance in a beaker. She wants to determine the relative pH of the unknown substance. She places a piece of blue litmus paper into the substance, and the litmus paper stays blue.

What can you conclude about the substance?

• It is a base.

• It has a neutral pH.

• It is an acid.

• It does not have a pH.

An acid reacts with metal to produce __________.

• carbon dioxide

• hydrogen gas

• hydrogen gas + salt

• hydrogen gas + water

Tags

NGSS.HS-PS1-1

An acid reacts with a metal carbonate to produce __________.

• salt + water

• salt + hydrogen gas

• salt + carbon dioxide

• salt + water + carbon dioxide

In a neutralization reaction, what are the products of a reaction between an acid and a base?

• salt + hydrogen

• salt + carbon dioxide

• salt + water

• salt + water + hydrogen

Which of these general equations is/are correct?

• acid + base → salt + water

• acid + metal carbonate → salt + water + carbon dioxide

• acid + metal → salt + hydrogen

• acid + metal oxide → salt + water

• acid + metal hydroxide → salt + water

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

A neutralisation reaction produces __________.

• an acid

• a neutral substance

• only water

• salt and water