Quiz
Reactivity series of metals
Perguntas do quiz (12)
1The most reactive metals belong to group 2.
- AVerdadeiro
- BFalso
2What are the observations of potassium?
- AEffervescence
- BMetal floats and moves on surface of water
- CIgnites with lilac flame
- DMelts into silvery ball
- ETurns red
- FTurns colourless
- GProduces oxygen
3What is the word equation for Sodium?
- ASodium + water --> Sodium Oxide + Hydrogen
- BSodium + water --> Sodium Oxide + Carbon Dioxide
- CSodium + water --> Sodium Hydroxide + Hydrogen
4Name the gas produced when group 1 metals react with water.
- AHydrogen
- BCarbon Dioxide
- COxygen
5The reactivity of group 1 metals decreases going down the group.
- AVerdadeiro
- BFalso
6Metal + steam --> Metal ? + ?
- AHydroxide + Hydrogen
- BOxide + Hydrogen
- COxide + Carbon dioxide + Hydrogen
7Metal + Oxygen --> Metal Oxide
- AVerdadeiro
- BFalso
8In a displacement reaction, a ? reactive metal will displace a ? reactive metal from a solution of its salt.
- Amore, less
- Bless, more
- C-, equally reactive
9What are the observations of Zinc + Copper (II) Sulfate --> Zinc Sulfate + Copper?
- ABlue solution turns colourless
- BColourless solution turns blue
- CRed-brown solid forms
- DBluish solid forms
- ESilver zinc metal disappears
- FCopper disappears
10Which of these metals would be extracted by electrolysis?
- APotassium
- BSodium
- CMagnesium
- DSilver
- EZinc
- FCopper
- GIron
- HAluminium
11Apart from haematite, what other materials are used in the extraction of Iron in the blast surface?
- ALimestone
- BCoke
- CHot air
- DWater
- EHydrogen
- FNitrogen
12Apart from haematite, what other materials are used in the extraction of Iron in the blast surface?
- ALimestone
- BCoke
- CHot air
- DWater
- EHydrogen
- FNitrogen
Informações
- Descrição
- Unit 2 Chemistry
- Autor
- OmiscientFools
- Idioma
- English
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