Some reasons are given regarding the limited use of H₂as a fuel.
I) Its calorific value is low.
II) Its availability in a free state is less.
III) It is difficult to store.
IV) It is not a clean fuel.

Which of the following statements are correct?

II and III

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II III and IV

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I and III

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I II and III

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Solution

The correct options are
B
II III and IV

C
I and III

As a fuel, hydrogen is very difficult to store. It is extremely reactive and it combines with most of the metals and non-metals forming stable compounds. Thus it is not available in free state.

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I) Its calorific value is low.
II) Its availability in free state is less.
III) It is difficult to store.
IV) It is easy to transport.

The correct statements are:

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I) Its calorific value is low.
II) Its availability in free state is less.
III) It is difficult to store.
IV) It is not a clean fuel.

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Some reasons are given regarding the limited use of H2 as a fuel. I) Its calorific value is low. II) Its availability in a free state is less. III) It is difficult to store. IV) It is not a clean fuel. Which of the following statements are correct?

The correct options are B II III and IV C I and III As a fuel, hydrogen is very difficult to store. It is extremely reactive and it combines with most of the metals and non-metals forming stable compounds. Thus it is not available in free state.

Some reasons are given regarding the limited use of H₂as a fuel.
I) Its calorific value is low.
II) Its availability in a free state is less.
III) It is difficult to store.
IV) It is not a clean fuel.

Which of the following statements are correct?

The correct options are
B
II III and IV

C
I and III

As a fuel, hydrogen is very difficult to store. It is extremely reactive and it combines with most of the metals and non-metals forming stable compounds. Thus it is not available in free state.