WorksheetsAcid Reactions
Total questions: 10
Worksheet time: 6mins
Select a typical observation made when reacting a substance with an acid.
Bobbles
Bubbles
Troubles
Doubles
Select another typical observation made when reacting a substance with an acid.
Solid appears, an answer is produced.
Solid disappears, an answer is produced.
Solid disappears, a solution is produced.
Solid appears, a solution is produced.
Select another typical observation made when reacting a substance with an acid.
Heat is absorbed.
No temperature change.
Heat is taken in.
Heat is released.
Select the term meaning 'heat is released.'
Exothermic
Endothermic
Homothermic
Heterothermic
Select something another common observation in acid reactions.
Reversible change of state
Reversible change of shape
No colour change
Colour change
Select the missing product in the 'squeaky pop' test for hydrogen gas.
acid + metal -> hydrogen + .........
water
glucose
sugar
salt
Select the missing in the 'squeaky pop' test for hydrogen gas.
2HCl(aq) + Mg(s) → MgCl2(aq) + ..........
H2(g)
H2(s)
H2(aq)
H2
Write down the name of the salt in the 'squeaky pop' test for hydrogen gas.
hydrochloric acid + magnesium → ............. + hydrogen
magensium hydroxide
hydrogen chloride
magnesium chloride
sodium chloride
Write down what (g) means in this equation.
2HCl(aq) + Mg(s) → MgCl2(aq) + H2(g)
(a)
Write down how many molecules of HCL are needed to balance this equation.
HCl(aq) + Mg(s) → MgCl2(aq) + H2(g)
(a)
