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OCR B A-Level Chemistry Elements from the Sea Quiz
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Questions in this quiz (15)
1Anions go to the [blank_start]anode[blank_end].
- Aanode
2Cations go to the [blank_start]cathode[blank_end].
- Acathode
3Electolysis is the breaking down of a substance using [blank_start]electricity[blank_end].
- Aelectricity
4This is an example of a half equation at the anode:
2Cl- (l) Cl2 (aq) + 2e-- ATrue
- BFalse
5What is produced at the cathode if the element is more reactive than hydrogen
- AThe element itself
- BHydrogen gas
6What is the most common oxidation state of oxygen?
- A+1
- B-1
- C-2
- D+2
7The oxidation state of a monatomic ion is 0.
- ATrue
- BFalse
8In a redox reaction
- ALoss of electrons is called oxidation
- BLoss of electrons is called reduction
9Reducing agents are oxidised and oxidising agents are reduced.
- ATrue
- BFalse
10Volatility of halogens [blank_start]decreases[blank_end] down the group.
- Adecreases
- Bincreases
- Cstays the same
11Halogens are more soluble in organic solvents than in water because
- AThey are polar
- BThey are non-polar
- CThey don't contain covelant bonds
12Chlorine is a [blank_start]yellow-green gas[blank_end] at RTP.
- Ashiny grey liquid
- Byellow-green gas
- Cred-brown liquid
- Dpale yellow gas
13HF and HCl are not stable when heated.
- ATrue
- BFalse
14An equilibrium constant that is less than 1 lies to the [blank_start]left[blank_end].
- Aleft
- Bright
- Cmiddle
15Increasing the pressure in an equilibrium reaction shifts the posisition of equilibrium to the side with [blank_start]fewer[blank_end] gas molecule to [blank_start]reduce[blank_end] the pressure.
- Afewer
- Breduce
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- A-Level Chemistry Quiz on OCR B A-Level Chemistry Elements from the Sea Quiz, created by Alex Lyes on 22/05/2016.
- Author
- Alex Lyes
- Language
- English
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