NEW
Font size
WorksheetsPosition of hydrogen in reactivity series
Total questions: 15
Worksheet time: 30mins
The position of a metal in the reactivity series of metals depends on the reactivity of the metal when reacting with ....
Carbon
Hydrogen
Oxygen
Sulphur
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
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
Hydrogen is more reactive than the following metals except .....
Lead
Copper
Aluminium
Mercury
What will happened when lead oxide react with hydrogen?
Lead oxide burns brightly
Yellow powder turns shiny grey
Lead is produced
All of the above
Choose the correct sequence.
.............. , ............ , .........
----------------------------------->
Reactivity towards oxygen increases
Silver , Copper , Tin
Iron , Lead , Mercury
Magnesium , Aluminium , Calcium
Iron , Carbon , Lead
The reactivity series of metals is applied in the ............. of the metals from their ore.
Melting
Extraction
Freezing
Crystalization
What are the two non-metals that are include in the reactivity series of metals?
Hydrogen and iron
Oxygen and lead
Tin and carbon
Carbon and hydrogen
Metal oxides that more reactive than carbon can be extracted through ......
Electrolysis
Fractional distillation
Evaporation
Photosynthesis
Reactivity of metal towards oxygen increases down the reactivity series of metal diagram
True
False
Write the word equation between metal and oxygen.
Metal + Oxygen Metal oxide
Metal + Oxygen Metal oxygen
Metal + Oxygen = Metal oxide
Metal + Oxygen = Metal oxygen
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
When a metal compound reacts with a more reactive metal, what sort of reaction occurs?
Displacement
Neutralisation
Combustion
No Reaction
When copper and magnesium sulphate are mixed together, there is no reaction. Why?
Magnesium is more reactive than copper
Copper is more reactive than magnesium
Copper never reacts with metal salts
Magnesium Sulfate never reacts with metals
Which one of the followings would result in a displacement reaction?
Iron with magnesium chloride
Magnesium with iron chloride
Iron with Zinc Sulphate
Gold with silver nitrate
