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Quiz von SHRIYA SHARMA , aktualisiert more than 1 year ago
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Erstellt von SHRIYA SHARMA
vor fast 9 Jahre
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Frage 1
Frage
Tick the correct facts on Transition metals.
Antworten
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High Melting point
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Bad conductors of Heat and Electricity
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High Density
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They don't form colored compounds
Frage 2
Frage
Is copper a transition metal ?
Antworten
- True
- False
Frage 3
Frage
Why is titanium an expensive metal ?
Antworten
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This is because it is difficult to extract titanium from its ore
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It has a high Boiling point
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Its a reactive metal.
Frage 4
Frage
What is the main ore of Titanium? and symbol
Antworten
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Bauxite, Al203.
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Rutile, Ti02.
Frage 5
Frage
What does the term 'Hydrated' mean ?
Antworten
-
A person is dehydrated.
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The compound contains water.
Frage 6
Frage
What is the Equation when Titanium Chloride reacts with Magnesium?
Antworten
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Titanium Chloride + Magnesium - Titanium + Magnesium Chlorine.
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Titanium + Magnesium - Titanium + Magnesium Chloride
Frage 7
Frage
Does Copper compounds create the color red ?
Antworten
- True
- False
Frage 8
Frage
What are transition metals used for ?
Antworten
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Coins, cups and railways
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To make pipes and door handles
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Planes, cars. (except for mercury).
Frage 9
Frage
What are the carat scale and the Fineness scale used for?
Antworten
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to measure how reactive the metal is.
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They are both used to show the amount of pure gold in the alloy. The higher the number the greater the prop- ortion of gold.
Frage 10
Frage
In which process is iron used as a catalyst ?
Antworten
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Haber process
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Electrolysis
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Blast furnace
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