3272441
Descrição
Quiz por SHRIYA SHARMA , atualizado more than 1 year ago
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Criado por SHRIYA SHARMA
mais de 8 anos atrás
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Questão 1
Questão
Tick the correct facts on Transition metals.
Responda
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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
Questão 2
Questão
Is copper a transition metal ?
Responda
- True
- False
Questão 3
Questão
Why is titanium an expensive metal ?
Responda
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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.
Questão 4
Questão
What is the main ore of Titanium? and symbol
Responda
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Bauxite, Al203.
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Rutile, Ti02.
Questão 5
Questão
What does the term 'Hydrated' mean ?
Responda
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A person is dehydrated.
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The compound contains water.
Questão 6
Questão
What is the Equation when Titanium Chloride reacts with Magnesium?
Responda
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Titanium Chloride + Magnesium - Titanium + Magnesium Chlorine.
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Titanium + Magnesium - Titanium + Magnesium Chloride
Questão 7
Questão
Does Copper compounds create the color red ?
Responda
- True
- False
Questão 8
Questão
What are transition metals used for ?
Responda
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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).
Questão 9
Questão
What are the carat scale and the Fineness scale used for?
Responda
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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.
Questão 10
Questão
In which process is iron used as a catalyst ?
Responda
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Haber process
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Electrolysis
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Blast furnace
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