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Questions and Answers
Which metal is the most reactive among A, B, C, and D?
Which metal is the most reactive among A, B, C, and D?
Metal D
What would you observe if metal B is added to a solution of Copper(II) sulphate?
What would you observe if metal B is added to a solution of Copper(II) sulphate?
A displacement reaction, where metal B displaces copper and forms its own compound.
Arrange the metals A, B, C, and D in the order of decreasing reactivity.
Arrange the metals A, B, C, and D in the order of decreasing reactivity.
D > B > A > C
What gas is produced when dilute hydrochloric acid is added to a reactive metal?
What gas is produced when dilute hydrochloric acid is added to a reactive metal?
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What would you observe when zinc is added to a solution of iron(II) sulphate?
What would you observe when zinc is added to a solution of iron(II) sulphate?
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Why do metals react by displacing other metals in reactions?
Why do metals react by displacing other metals in reactions?
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What are the three categories in which metals can be grouped based on reactivity?
What are the three categories in which metals can be grouped based on reactivity?
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Why are metals at the top of the reactivity series like K, Na, Ca, Mg, and Al never found in nature as free elements?
Why are metals at the top of the reactivity series like K, Na, Ca, Mg, and Al never found in nature as free elements?
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Which element is very abundant on Earth and is the reason why many metal ores are oxides?
Which element is very abundant on Earth and is the reason why many metal ores are oxides?
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Why are metals like Zn, Fe, and Pb mainly found in the earth's crust as oxides, sulphides, or carbonates?
Why are metals like Zn, Fe, and Pb mainly found in the earth's crust as oxides, sulphides, or carbonates?
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Give an example of metals found in the free state.
Give an example of metals found in the free state.
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Why are the metals in the middle of the activity series considered moderately reactive?
Why are the metals in the middle of the activity series considered moderately reactive?
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What are non-metals like in terms of malleability and ductility?
What are non-metals like in terms of malleability and ductility?
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Which non-metal conducts electricity?
Which non-metal conducts electricity?
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What kind of ions do non-metals form when reacting with metals?
What kind of ions do non-metals form when reacting with metals?
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Why are food cans coated with tin and not zinc?
Why are food cans coated with tin and not zinc?
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How could you distinguish between samples of metals and non-metals using a hammer, battery, bulb, wires, and a switch?
How could you distinguish between samples of metals and non-metals using a hammer, battery, bulb, wires, and a switch?
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Why do non-metals not displace hydrogen from dilute acids?
Why do non-metals not displace hydrogen from dilute acids?
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