Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
23 Cards in this Set
- Front
- Back
|
Acid + Metal ->
|
Salt + Hydrogen
|
|
|
Hydrochloric acid + lithium ->
|
lithium chloride + hydrogen
|
|
|
2HCl (aq) + 2Li(s) ->
|
2LiCl(aq) + H₂(g)
|
|
|
Acid + Base ->
|
Salt + Water
|
|
|
Sulphuric acid + sodium hydroxide ->
|
sodium sulphate + water
|
|
|
H₂SO₄(aq) + 2NaOH (aq) ->
|
Na₂SO₄(aq) + 2H₂O(l)
|
|
|
Acid + Carbonate ->
|
Salt + Water + Carbon Dioxide
|
|
|
Nitric acid + calcium carbonate ->
|
calcium nitrate + water + carbon dioxide
|
|
|
2HNO₃ (aq) + CaCO₃ ->
|
Ca(NO₃)₂(aq) + H₂O(l) + CO₂(g)
|
|
|
To prepare a salt you need to work out which acid and alkali to react together. How do you do this?
|
You find it experimentally by titration using an indicator.
|
|
|
What is pH of neutral substance?
|
7
|
|
|
What pH do acids have and what colour do they turn a litmus indicator?
|
Less than 7 pH.
Litmus indicator turns red. |
|
|
What pH do alkalis have and what colour do they turn a litmus indicator?
|
Greater than 7 pH.
Litmus indicator turns blue. |
|
|
What is the symbol for hydrochloric acid?
When dissolved, what cations and anions are formed? Litmus indicator would turn ....? |
HCl
Cation - 1H⁺ Anion - Cl⁻ (chloride) Red |
|
|
What is the symbol for nitric acid?
When dissolved, what cations and anions are formed? Litmus indicator would turn ....? |
HNO₃
Cation - 1H⁺ Anion - NO₃⁻ (nitrate) Red |
|
|
What is the symbol for sulphuric acid?
When dissolved, what cations and anions are formed? Litmus indicator would turn ....? |
H₂SO₄
Cation - 2H⁺ Anion - SO₄²⁻ (sulphate) Red |
|
|
What is the symbol for phosphoric acid?
When dissolved, what cations and anions are formed? Litmus indicator would turn ....? |
H₃PO₄
Cation - 3H⁺ Anion - PO₄³⁻ (phosphate) Red |
|
|
What is the symbol for sodium hydroxide?
When dissolved, what cations and anions are formed? Litmus indicator would turn ....? |
NaOH
Cation - Na⁺ (sodium) Anion - OH⁻ (hydroxide) Blue |
|
|
What is the symbol for potassium hydroxide?
When dissolved, what cations and anions are formed? Litmus indicator would turn ....? |
KOH
Cation - K⁺ (potassium) Anion - OH⁻ (hydroxide) Blue |
|
|
What is the symbol for magnesium hydroxide?
When dissolved, what cations and anions are formed? Litmus indicator would turn ....? |
Mg(OH)₂
Cation - Mg²⁺ (magnesium) Anion - 2OH⁻ (hydroxide) Blue |
|
|
What is the symbol for ammonium hydroxide?
When dissolved, what cations and anions are formed? Litmus indicator would turn ....? |
NH₄OH
Cation - NH₄⁺ (ammonium) Anion - OH⁻ (hydroxide) Blue |
|
|
Write the balanced equation of the following:
sulphuric acid + potassium hydroxide -> potassium sulphate + water |
H₂SO₄ + 2KOH -> K₂SO₄ + 2H₂O
|
|
|
Write the balanced equation of the following:
phosphoric acid + magnesium hydroxide -> magnesium phosphate + water |
2H₃PO₄ + 3Mg(OH)₂ -> Mg₃(PO₄)₂ + 6H₂O
|
