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- 1. Multiple Choice
Of these alkali (Group 1) metals, which is the most reactive?
Sodium (Na)
Potassium (K)
Rubidium (Rb)
Caesium (Cs)
- 2. Multiple Choice
Some metals are more reactive that others. Which of these metals is the least reactive?
Sodium (Na)
Gold (Au)
Magnesium (Mg)
Aluminium (Al)
- 3. Multiple Choice
How are reactive metals found in nature?
Joined to other elements in compounds (they like to react with other atoms).
In pure form; they don't react and join to other elements.
- 4. Multiple Choice
Do the Group 1 Alkali metals get more reactive as you go down the group or less reactive?
More reactive
Less reactive
- 5. Multiple Choice
How are the Group 1 Alkali metals stored?
In water
In air
In oil (to keep them away from water and air)
In oxygen
- 6. Multiple Choice
How can caesium and rubidium be stored?
In water
In oil
In glass vials with an inert (unreactive) gas like argon.
In vacuum sealed glass vials (no other atoms to react with)
- 7. Multiple Choice
When you react magnesium with oxygen (by burning it), what is produced?
magnesium oxide
magnesium oxygen
magnesium oxinate
magnesium hydroxide
- 8. Multiple Choice
When you react iron with oxygen (by burning it), what is produced?
iron oxide
magnesium oxygen
magnesium oxinate
magnesium hydroxide
- 9. Multiple Choice
When you react a metal with water e.g. sodium and water, what gas is produced?
carbon dioxide
oxygen
hydrogen
steam
- 10. Multiple Choice
Which of these gases will re-light a glowing splint?
hydrogen
carbon dioxide
oxygen
water vapor
- 11. Multiple Choice
Which of these gases turns lime water cloudy?
hydrogen
carbon dioxide
oxygen
water vapor
- 12. Multiple Choice
Which of these gases is explosive and burns with a loud SQUEEKY pop?!
hydrogen
carbon dioxide
oxygen
water vapor
- 13. Multiple Choice
The air is.....
78% Nitrogen gas
78% Oxygen gas
78% Carbon Dioxide gas
78% water vapour
- 14. Multiple Choice
The air is....
21% carbon dioxide
21% nitrogen
21% water vapour
21% oxygen
- 15. Multiple Choice
The air is...
0.04% oxygen
0.04% carbon dioxide
0.04% nitrogen
0.04% water vapour
- 16. Multiple Choice
A compound is....
Two or more different elements chemically joined together.
Two or more of the same elements joined together.
A pure substance made up of only one type of atom.
Two or more elements not chemically joined together.
- 17. Multiple Choice
An element is...
Two or more different elements chemically joined together.
Two or more of the same elements joined together.
A pure substance made up of only one type of atom.
Two or more elements not chemically joined together.
- 18. Multiple Choice
When you dissolve some salt into water, the salt is the....
solvent
solution
solute
- 19. Multiple Choice
When you dissolve some salt into water, the water is the....
solvent
solution
solute
- 20. Multiple Choice
When you dissolve some salt into water, the salty water produced is the....
solvent
solution
solute
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