State which oxide has the higher melting point and explain why their melting temperatures are different.
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Card 7
Front
Non - metal Period 3 elements uch as silicon, phosphorus and sulfur also react with oxygen to produce oxides. Explain why sulfur dioxide has a relatively low melting point.
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Card 8
Front
Explain why the melting point of silicon dioxide is unusually high.
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Card 9
Front
The period 3 oxides react differently with water. Write equations showing the reactions of magnesium oxide and sulfur dioxide with water. Give the approximate PHs of the solutions formed
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Card 10
Front
Name one period 3 oxide that is insoluble in water.
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Card 11
Front
State which period 3 oxide is amphoteric
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Card 12
Front
Write two equations showing Aluminium oxide reacting with an acid and a base
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Card 13
Front
The electrode itself is made of platinum. Suggest why platinum is a suitable metal to use for this purpose
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Card 14
Front
Lead - acid batteries are a type of rechargeable battery commonly used to operate the starter motors of cars. Explain why rechargeable batteries can be recharged
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Card 15
Front
Discuss the advantages and disvantages of using rechargable batteries instead of standard non- rechargable batteries
