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- 1. Multiple Choice
Which technique would you use to obtain pure ethanol from wine?
Chromatography
Evaporation
Distillation
Filtration
- 2. Multiple Choice
Which of one of these techniques would you use to remove ethanol from wine?
- 3. Multiple Choice
What gas turns lime water milky?
Nitrogen
Hydrogen
Carbon Dioxide
Oxygen
- 4. Multiple Choice
Bicarbonate of Soda is an Alkali. Vinegar is an acid. If you mix them together, the reaction that takes place is known as:
Neutralisation
Reduction
Oxidation
Combustion
- 5. Multiple Choice
How many atoms are there in this molecule?
2
3
4
5
- 6. Multiple Choice
Which 2 of these are pure elements?
A
B
C
D
- 7. Multiple Choice
Which one of these is a mixture?
A
B
C
D
- 8. Multiple Choice
Which one of these is a pure compound?
A
B
C
D
- 9. Multiple Choice
Which nails would not rust?
A
B
C
D
- 10. Multiple Choice
Which of these would rust?
A
B
C
D
- 11. Multiple Choice
Which nail would rust more quickly?
A
B
C
D
- 12. Multiple Choice
What are the 2 products of burning a hydrocarbon (like oil) in air?
Oxygen
Water
Hydrogen
Carbon Dioxide
- 13. Multiple Choice
Another word for burning in oxygen?
igniting
combining
combustion
respiration
- 14. Multiple Choice
Suggest the pH value of lemon juice?
1
3
7
10
- 15. Multiple Choice
Suggest the pH value of hydrochloric acid?
1
3
7
10
- 16. Multiple Choice
Suggest the pH value of milk?
1
3
7
10
- 17. Multiple Choice
Suggest the pH value of soap?
1
3
7
10
- 18. Multiple Choice
When magnesium is added to hydrochloric acid, what gas is produced?
carbon dioxide
oxygen
chlorine
hydrogen
- 19. Multiple Choice
How many different elements are there in this molecule?
4
5
10
11
- 20. Multiple Choice
How many atoms are there in this molecule?
4
5
10
11
- 21. Multiple ChoiceWater and alcohol are easily separated by distillation because of theirdifferent melting pointsdifferent coloursdifferent densitiesdifferent boiling points
- 22. Multiple ChoiceThe diagram shows the apparatus for separating soil and water. What are the labelled parts?A = residue, B = distillateA = residue, B = filtrateA = filtrate, B = residueA = distillate, B = filtrate
- 23. Multiple ChoiceWhich of the following gases has the highest atmospheric composition within the Earth's Atmosphere?Oxygen at 78%Nitrogen at 78%Carbon Dioxide 78%Methane 78%
- 24. Multiple Choice
An object that will dissolve in a liquid has the property called ___________________.
solubility
hardness
luster
viscosity
- 25. Multiple ChoiceWhat gas is always produced when a metal reacts with water?OxygenCarbon dioxideHydrogenCarbon monoxide
- Answer choicesTagsAnswer choicesTags