Class 9 Chemistry · Chapter 9 · Test 8

Transition Elements Uses

25 MCQs covering catalytic properties of transition elements and their compounds including the Haber process the Contact process catalytic converters and hydrogenation of oils.

MCQs

25 questions · 20 min · 25 marks

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Sample questions

The first 5 of 25. Try each one, then tap to see the answer.

Question 1
What important function do transition metals and their compounds perform in many chemical reactions
- AThey act as catalysts
- BThey act as fuels
- CThey act as solvents
- DThey act as acids
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Answer: A
Transition metals and their compounds function as catalysts in many important chemical reactions.
Question 2
What can metals often do to substances on their surface
- AAbsorb and activate them
- BDestroy them completely
- CConvert them into gases
- DPrevent all reactions
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Answer: A
The source states that metals often absorb other substances on their surface and activate them.
Question 3
Which transition metal is used as a catalyst in the Haber process
- AIron
- BCopper
- CSilver
- DGold
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Answer: A
Iron is a transition metal used as a catalyst in the Haber process.
Question 4
What important substance is produced in the Haber process
- AAmmonia
- BSulphuric acid
- CMargarine
- DSodium chloride
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Answer: A
The Haber process produces ammonia.
Question 5
Which element is used as the catalyst in the reaction producing ammonia
- AIron
- BNickel
- CPlatinum
- DVanadium
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Answer: A
Iron acts as the catalyst in the Haber process.

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