Acid, Bases & pH year 8

Which is the stronger acid?

• pH 1
• pH 4
• pH 8
• pH 13

Tags

NGSS.MS-PS1-2

This piece of pH paper has been dipped into:

• An acid
• A base
• A pH-neutral substance
• A buffer

Tags

NGSS.MS-PS1-2

An extremely strong base would have a pH of:

• 1
• 7
• 9
• 14

What might happen if you mixed a strong acid with an equally strong base?

• You would see an explosive chemical reaction.
• The acid would destroy the base.
• The base would destroy the acid.
• You'd wind up with a pH-neutral substance.

Tags

NGSS.MS-PS1-2

Which one of the following is an example of a base?

• orange juice
• dish soap
• vinegar
• lemons

A substance that changes color when mixed with an acid or base is a(n) ___.

• indicator
• neutralizer
• corrosive
• electricity

Tags

NGSS.MS-PS1-2

Which of the following is NOT a characteristic of an acid?

• sour taste
• corrosive
• it feels slippery
• it can burn the skin

A neutralisation reaction is a reaction between 

• Acid and a Base 
• Acid and water 
• Base and water 
• None of the above 

Tags

NGSS.MS-PS1-2

An acid reacts with metal to produce 

• Carbon dioxide 
• Hydrogen gas
• Hydrogen gas and water 
• Salt and hydrogen gas 

Tags

NGSS.MS-PS1-2

Complete the following reaction:
Hydrochloric acid + magnesium hydroxide --> 

• Magnesium chloride + water 
• Magnesium + water
• Magnesium chloride + hydrogen gas 
• Magnesium chloride + water + carbon dioxide 

Tags

NGSS.MS-PS1-2