Unit 1, Topic 5a - Acids and Alkalis Flashcards
When metals burn in air or oxygen what type of compound is made?
Metal Oxide
Be able to write balanced equations for metals burning in air.
Look at LIs + Booklet
What type of solution do metal oxides that dissolve in water tend to produce?
Alkali
Do all metal oxides dissolve in water?
No
Where can you fid out if metal oxides dissolve in water?
Page 8 of the data booklet.
Write the names of 2 metal oxides that dissolve in water?
Potassium oxide, Sodium Oxide
Write the names of 2 metal oxides that do not dissolve in water?
Aluminium oxide, Zinc oxide.
Give the names of the products for the 2 metal oxides that do dissolve.
Potassium oxide giving potassium hydroxide, Sodium oxide giving sodium hydroxide.
When non-metals burn in air or oxygen what type of compound is made?
Non-metal oxide
Be able to write balanced equations for non-metals elements burning in air.
Look at LIs + Booklet.
What type of solution do non-metal oxides that dissolve in water tend to produce?
Acid
What is required to enable nitrogen to react with oxygen?
High energy e.g spark, lightning
Name the oxide produced when nitrogen reacts with oxygen what oxide is produced?
Nitrogen dioxide.
Which acid is produced when Nitrogen Dioxide dissolves in water?
Nitric acid
What type of oxide would phosphorus produce?
Acidic
What type of oxide would hydrogen produce?
Neutral
What type of solution do metal hydroxides that dissolve in water produce?
Alkaline solutions
The pH scale is continuous from below _ to above _
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