How is carbon monoxide prepared on a commercial scale? 


Preparation of carbon monoxide on a commercial scale:
(i) By the passage of steam over hot coke.


The mixture of CO and H2 thus produced is known as water gas or synthesis gas. 

(ii) By the passage of air over hot cake at 1273 K.
The mixture of CO and H2 thus produced is known as water gas or synthesis gas. 

(iii) By the passage of air over hot coke at 1273 K.
    
The mixture of CO and N2 thus produced is known as producer gas.
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How is carbon monoxide prepared on commercial scale? 


On commercial scale, it is prepared:
By the passage of steam over hot coke.

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Give different uses of activated charcoal, coke.


Uses of activated charcoal.
It is used:
(i) for absorbing poisonous gas. 
(ii) in filters to remove organic contaminators. 
(iii) in air conditioning system to control odour. 

Uses of coke.
It is used:
(i) as a fuel
(ii) as a reducing agent  in metallurgy.

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What is the action of heat on:
(i) Sodium bicarbonate    
(ii) calcium carbonate  
(iii) Zinc carbonate?


Action of heat on the given compound is,

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Describe what happens (give chemical equations only) when:
(i) carbon monoxide is treated with chlorine. 
(ii) carbon monoxide is passed through heated NaOH under pressure. 
(iii) Vapours of carbon monoxide are passed over nickel and
(iv) carbon monoxide is passed through heated ferric oxide. 


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