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11th Odisha Board
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Aluminium forms

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Important Questions on Group-13 Elements

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11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 14 - Group-13 Elements>MULTIPLE CHOICE TYPE>Q 14
Which of the following metals burn in air at high temperature with the evolution of much heat?
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11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 14 - Group-13 Elements>MULTIPLE CHOICE TYPE>Q 15
Which metal is powdered, suspended in oils as a paint for mirrors?
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11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 14 - Group-13 Elements>MULTIPLE CHOICE TYPE>Q 16
Aluminium deposited as vapour on glass forms a good mirror, essentially because:
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11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 14 - Group-13 Elements>MULTIPLE CHOICE TYPE>Q 17
The most covalent aluminium halide is 
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11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 14 - Group-13 Elements>MULTIPLE CHOICE TYPE>Q 18
Which of the following compounds can make cloth fireproof?
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11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 14 - Group-13 Elements>MULTIPLE CHOICE TYPE>Q 19
Aqueous solution of borax is 
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11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 14 - Group-13 Elements>MULTIPLE CHOICE TYPE>Q 20
The blue coloured minerals 'Lapiz Lazuli' which is used as a semi-precious stone is a mineral of the following class:
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11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 14 - Group-13 Elements>MULTIPLE CHOICE TYPE>Q 21
Which of the following is an ore of aluminium?