Beta Question Bank for Engineering: Chemistry>Chapter 20 - The d- and f-Block Elements>EXERCISE-1>Q 5

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The adsorption of hydrogen by platinum black is called:

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Important Questions on The d- and f-Block Elements

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Beta Question Bank for Engineering: Chemistry>Chapter 20 - The d- and f-Block Elements>EXERCISE-1>Q 6

The reaction of

O_{2}

and

CO

with haemoglobin gives :

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Beta Question Bank for Engineering: Chemistry>Chapter 20 - The d- and f-Block Elements>EXERCISE-1>Q 7

Chromium forms most stable compound in the following oxidation state :

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Beta Question Bank for Engineering: Chemistry>Chapter 20 - The d- and f-Block Elements>EXERCISE-1>Q 8

The number of moles of acidified

{KMnO}_{4}

required to convert sulphite ion into sulphate ion is :

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Beta Question Bank for Engineering: Chemistry>Chapter 20 - The d- and f-Block Elements>EXERCISE-1>Q 9

N_{2} (g) + 3 H_{2} (g) \overset{Fe + Mo}{⇌} 2 {NH}_{3} (g);

Haber's process, Mo is used as:

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Beta Question Bank for Engineering: Chemistry>Chapter 20 - The d- and f-Block Elements>EXERCISE-1>Q 10

The magnetism of

{Ni}^{2 +}

ion is :

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Beta Question Bank for Engineering: Chemistry>Chapter 20 - The d- and f-Block Elements>EXERCISE-1>Q 11

During estimation of oxalic acid

Vs {KMnO}_{4},

self indicator is :

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Beta Question Bank for Engineering: Chemistry>Chapter 20 - The d- and f-Block Elements>EXERCISE-1>Q 12

Manganese steel is used for making railways because :

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Beta Question Bank for Engineering: Chemistry>Chapter 20 - The d- and f-Block Elements>EXERCISE-1>Q 13

Bordeaux mixture is used as a fungicide. It is a mixture of :