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- 1. Fill in the Blank
Mineral are solid _____________ or _________________ that are naturally found with certain crystalline structures and chemical composition on the Earth's crust.
- 2. Multiple Choice
Calcium carbonate is a combination of:
Calcium, carbon and nitrogen
Calcium, hydrogen and nitrogen
Calcium, oxygen and carbon
Calcium, carbon and hydrogen
- 3. Multiple Choice
Reactivity of metal towards oxygen increases when going down the reactivity series of metal diagram.
True
False
- 4. Multiple Choice
The most reactive metal in the reactivity series of metals is ______________.
Calcium
Potassium
Magnesium
Aluminium
- 5. Multiple Choice
In a vigorous reaction between a more reactive metal such as magnesium and oxygen, a bright flame is observed
True
False
- 6. Multiple Choice
In a less vigorous reaction between a less reactive metal such as iron and oxygen, only a glow or slow change in colour is observed
True
False
- 7. Multiple Choice
Choose the correct sequence.
.............. , ............ , .........
----------------------------------->
Reactivity towards oxygen increases
Silver , Copper , Magnesium
Iron , Lead , Mercury
Magnesium , Aluminium , Calcium
Iron , Carbon , Lead
- 8. Multiple Choice
Magnesium + oxygen ----------> X
What is X ?
Magnesium oxide
Magnesium dioxide
Magnesium trioxide
Magnesium(IV) oxide
- 9. Multiple Choice
Based on the following diagram, what is the function of potassium manganate (VII) crystals in this experiment?
To supply oxygen
To avoid the metals to mix with each other
To release heat
To give out water vapour
- 10. Multiple Choice
What are the two non-metal elements that are included in the reactivity series of metals? (Hint: Choose more than one answer).
Calcium
Carbon
Sodium
Hydrogen
- 11. Multiple Choice
Write the word equation between metal oxide and carbon.
Metal oxide + Carbon Metal + Carbon dioxide
Metal oxide + Carbon Metal oxide
Metal oxide + Carbon Metal + Water + Carbon dioxide
Metal oxide + Carbon Metal oxide + Carbon dioxide
- 12. Multiple Choice
The diagram shows a setup apparatus for an experiment. What is the aim of the experiment?
To determine the position of carbon in the reactivity series of metals
To determine the position of hydrogen in the reactivity series of metals
To observe the reactivity of metals with carbon dioxide
To observe the reactivity of metals with water
- 13. Multiple Choice
If carbon can remove oxygen from a metal oxide, it means carbon is ___________ reactive than the metal.
more
less
- 14. Multiple Choice
Based on the diagram, what is the function of anhydrous calcium chloride in the experiment?
To absorb water vapour so that dry hydrogen will be produced
To supply hydrogen gas
To separate the metals
To release heat for combustion
- 15. Multiple Choice
Write the word equation between metal oxide and hydrogen.
Metal oxide + Hydrogen Metal + Water
Metal oxide + Hydrogen Metal hydroxide
Metal oxide + Hydrogen Metal + Water + Carbon dioxide
Metal oxide + Hydrogen Metal oxide + Water
- 16. Multiple Choice
What is the common name of ferum oxide ?
hematite
pyrite
calcite
galena
- 17. Multiple Choice
This chemical compound has a scientific name of silicon dioxide. It contains silicon and oxygen elements. What is the common name of this chemical name described.
quartz
jade
gold
marble
- 18. Multiple Choice
Taiping is known for century old tin-mining town. A lot tin ore extracted at this heritage town many years ago. What is the common name of tin ore?
hematite
pyrite
bauxite
cassiterite
- 19. Multiple Choice
How many element(s) present in calcium carbonate?
1
2
3
4
- 20. Multiple Choice
What is the scientific name of gold?
platinum
aurum
chromium
forum
- 21. Multiple Choice
Which of the following is NOT a element exist independently in the Earth's crust?
gold
silver
platinum
copper
- 22. Multiple Choice
What is meant by mineral?
a thing that is composed of two or more separate elements; a mixture.
solid material whose constituents (such as atoms, molecules, or ions) are arranged in a highly ordered microscopic structure, forming a crystal lattice that extends in all directions.
each of more than one hundred substances that cannot be chemically interconverted or broken down into simpler substances and are primary constituents of matter.
solid elements or compounds present naturally with definite crystalline structures and chemical compositions
- 23. Multiple Choice
Which of the following minerals is made up of element?
Hematite
Bauxite
Galena
Silver
- 24. Multiple Choice
Figure above shows a Quartz. Quartz is a combination from several elements. What are those elements?
Silicon and carbon
Carbon, calcium and oxygen
Silicon and oxygen
Tin and oxygen
- 25. Multiple Choice
What is the common name for Aluminium oxide ?
Bauxite
Calcite
Pyrite
Cassiterite
- 26. Multiple Choice
Calcium carbonate is a combination of:
Calcium, carbon and nitrogen
Calcium, hydrogen and nitrogen
Calcium, oxygen and carbon
Calcium, carbon and hydrogen
- 27. Multiple Choice
The following are examples of calcium carbonate, EXCEPT
Calcite
Coke
Limestone
Marble
- 28. Multiple Choice
Which metal produces MOST vigorous reaction when reacts with oxygen?
Iron
Magnesium
Potassium
Sodium
- 29. Multiple Choice
Magnesium + oxygen ----------> X
What is X ?
Magnesium oxide
Magnesium dioxide
Magnesium trioxide
Magnesium(II) oxide
- 30. Multiple Choice
Which of the following arrangements is TRUE about the arrangement of metals according to increasing reactivity.
Fe ----> Mg ----> Al ----> Ca ----> Na
Fe ----> Na ----> Ca ----> Mg ----> Al
Fe ----> Al ----> Mg ----> Ca ----> Na
Na ----> Ca ----> Mg ----> Al ----> Fe
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