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|The general equation for a NEUTRALISATION reaction is…
 
|The general equation for a NEUTRALISATION reaction is…
 
|H⁺(aq) + OH⁻(aq) → H₂O(l)
 
|H⁺(aq) + OH⁻(aq) → H₂O(l)
  +
|-
  +
|The ACIDITY of a solution is affected by the concentration of OH- ions in the solution. The HIGHER the concentration of OH⁻ ions in the solution…
  +
|the HIGHER the pH
  +
|-
  +
|Metal species such as FeO, Al₂O₃, CaCl₂ and Au exist in the earth. The UNREACTIVE metal is…
  +
|Au
  +
|-
  +
|When METALS react with ACIDS, one of the things they produce is…
  +
|a SALT solution
  +
|-
  +
|In order to REDUCE COST in the extraction of aluminium, aluminium oxide is dissolved in…
  +
|molten cryolite
  +
|-
  +
|More REACTIVE metals, such as aluminium, are EXTRACTED from their ORES using…
  +
|electrolysis
  +
|-
  +
|Indicators used in TITRATION…
  +
|should have a clear colour change at the END POINT of the neutralisation
  +
|-
  +
|CARBON or CARBON MONOXIDE is used to separate LESS REACTIVE metals from their ores through a process called…
  +
|REDUCTION
  +
|-
  +
|Here are four steps that show how to work out the CONCENTRATION of an NaOH solution that has been neutralised by a given volume of HCl. Which happens THIRD?
  +
|Work out the concentration of the NaOH solution
  +
|-
  +
|Less REACTIVE metals, such as iron, are EXTRACTED from their ORES using…
  +
|reduction
  +
|-
  +
|Here are four steps that show how to work out the CONCENTRATION of an NaOH solution that has been neutralised by a given volume of HCl. Which happens LAST?
  +
|Iron
  +
|-
  +
|In the ELECTROLYSIS of aqueous/molten COPPER SULFATE, what ionic half equation occurs at the CATHODE?
  +
|Cu²⁺(aq) + 2e⁻ → Cu(s)
 
|}
 
|}
 
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Revision as of 22:55, January 11, 2018

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Questions Answers
When an AQUEOUS solution containing a dissolved salt is ELECTROLYSED, the ions created are… [Salt cation]⁺, [Salt anion]⁻, H⁺ and OH⁻
ELECTROLYSIS is so useful because… PURE metals can be extracted from their ores
The reaction 2LiAlH₄ + Ca → Ca(AlH₄)₂ + 2Li is ---(1)---, because lithium is ---(2)--- reactive than calcium. 1: impossible; 2: more
UNIVERSAL INDICATOR will be what colour in a solution with pH 9? Blue
Here are four steps that show an acid-alkali TITRATION starting with a SOLUTION. Which happens FIRST? Using a safety pipette filler, TRANSFER the solution of UNKNOWN concentration to a CONICAL FLASK
A metal that EXPLODES on contact with water is said to be… very reactive
The particular SALT produced in a reaction between ACID and BASE or ALKALI depends on the ---(1)--- of the acid and the ---(2)--- of the base/alkali. 1: negative ion; 2: positive ion
The general equation for a NEUTRALISATION reaction is… H⁺(aq) + OH⁻(aq) → H₂O(l)
The ACIDITY of a solution is affected by the concentration of OH- ions in the solution. The HIGHER the concentration of OH⁻ ions in the solution… the HIGHER the pH
Metal species such as FeO, Al₂O₃, CaCl₂ and Au exist in the earth. The UNREACTIVE metal is… Au
When METALS react with ACIDS, one of the things they produce is… a SALT solution
In order to REDUCE COST in the extraction of aluminium, aluminium oxide is dissolved in… molten cryolite
More REACTIVE metals, such as aluminium, are EXTRACTED from their ORES using… electrolysis
Indicators used in TITRATION… should have a clear colour change at the END POINT of the neutralisation
CARBON or CARBON MONOXIDE is used to separate LESS REACTIVE metals from their ores through a process called… REDUCTION
Here are four steps that show how to work out the CONCENTRATION of an NaOH solution that has been neutralised by a given volume of HCl. Which happens THIRD? Work out the concentration of the NaOH solution
Less REACTIVE metals, such as iron, are EXTRACTED from their ORES using… reduction
Here are four steps that show how to work out the CONCENTRATION of an NaOH solution that has been neutralised by a given volume of HCl. Which happens LAST? Iron
In the ELECTROLYSIS of aqueous/molten COPPER SULFATE, what ionic half equation occurs at the CATHODE? Cu²⁺(aq) + 2e⁻ → Cu(s)

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