SQA National 5 Chemistry Area 1 Chemical Changes and Structure overview quiz quiz
16questions. Pick an answer and you'll see why right away.
A reaction can only happen when reacting particles do what?
Which change would slow down a reaction between a solid and an acid?
A reaction produces 40 cm cubed of gas in 20 s. What is the average rate?
What is the atomic number of an atom?
Isotopes of an element have the same number of which particle?
Why is the relative atomic mass of chlorine 35.5 and not a whole number?
What is a covalent bond?
Why does an ionic compound conduct electricity only when molten or dissolved?
Which type of substance has the lowest melting point?
What is the gram formula mass of CaCO3? (Ca 40, C 12, O 16)
How many moles are in 18 g of water? (GFM of water is 18 g)
Which relationship gives the concentration of a solution?
As an acid is diluted with water, its pH does what?
Which solutions form when non-metal oxides dissolve in water?
What salt forms when hydrochloric acid reacts with sodium hydroxide?
In every acid-alkali neutralisation, the actual reaction is which?