3272677
Description
Quiz by SHRIYA SHARMA , updated more than 1 year ago
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Created by SHRIYA SHARMA
over 8 years ago
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Question 1
Question
What are Transition metals ?
Answer
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They are strong metals.
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They are found in the central block of the periodic table. They are much less reactive than group 1 metals. Copper, iron and nickel are very useful transition metals.
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They are strong metals
Question 2
Question
Tick the two corrects facts on Transition metals.
Answer
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They have a high melting point.
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They are really reactive and more reactive then Aluminium.
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They have a high density
Question 3
Question
Do they form colored compounds ?
Answer
- True
- False
Question 4
Question
Tick the correct fact on Transition metals.
Answer
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Transition metals don't form compounds.
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When transition metals form compounds the transition metal ion form variable charges. For example, in copper oxide. Cu0, the copper ions have 2+ Charge, while in copper oxide Cu20 the copper ions have a 1+ charge
Question 5
Question
What does the term 'Hydrated' mean ?
Answer
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When someone gets dehydrated.
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The compound that contains water.
Question 6
Question
Why is titanium expensive ?
Answer
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It is really strong
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Its looks attractive
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It is difficult to extract titanium from its ore.
Question 7
Question
What is the main ore of Titanium ? AND SYMBOL
Answer
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Bauxite, Ba02
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Rutile, Ti02
Question 8
Question
What is the equation when Titanium Chloride reacts with Magnesium?
Answer
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Titanium Chloride + Magnesium - Magnesium + Titanium Chlorine
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Titanium + Magnesium - Titanium + Magnesium Chloride
Question 9
Question
Tick the correct fact on the extraction of Titanium.
Answer
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It extraction is really simple
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It requires many steps and requires a lot of energy so its very expensive.
Question 10
Question
Does titanium have a low density ?
Answer
- True
- False
Question 11
Question
Titanium appears to be unreactive because _
Answer
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its surface reacts with a layer of titanium oxide, which prevents any further reaction taking place.
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its the low in the reactivity series
Question 12
Question
Is copper un reactive with water ?
Answer
- True
- False
Question 13
Question
Is Aluminium a transition metal ?
Answer
- True
- False
Question 14
Question
WHAT ARE CARAT SCALE AND THE FINENESS SCALE USED FOR ?? ( QUIZ IS NEARLY DONE)!!!
Answer
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to measure how reactive a metal is.
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They are both used to show the MOUNTS OF PURE GOLD IN THE ALLOY. in both cases the higher the number the greater the proportion of gold.
Question 15
Question
(FINAL QUESTION)!!!!!!!!!!!!!!! in which process is iron used as a catalyst.
Answer
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Haber process
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Blast furnace
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Electrolysis
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