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Hydrogen occurs only, in traces in eleme...

Hydrogen occurs only, in traces in elemental form on Earth but it widely occurs in the form of compounds. (True / False)

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To determine whether the statement "Hydrogen occurs only in traces in elemental form on Earth but it widely occurs in the form of compounds" is true or false, we can analyze the information step by step. ### Step-by-Step Solution: 1. **Understanding Elemental Hydrogen**: - Elemental hydrogen (H₂) is found in very small amounts in the atmosphere and on Earth. It is not abundant in its elemental form. 2. **Percentage of Elemental Hydrogen**: ...
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S CHAND IIT JEE FOUNDATION-HYDROGEN-QUESTION BANK (true or false)
  1. Hydrogen is the lightest of all elements known to us.

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  2. Hydrogen molecule is bivalent.

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  3. The removal of hydrogen from a compound is called reduction.

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  4. When steam is passed over red hot iron, the substance formed are:

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  5. Hydrogen is highly soluble in water.(True / False)

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  6. Copper, mercury, silver, gold and platinum are placed below hydrogen i...

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  7. Hydrogen is combustible and a supporter of combustion.(True / False)

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  8. The reaction between hydrogen and nitrogen to form ammonia is reversib...

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  9. In the laboratory, hydrogen is prepared by the action of dilute nitric...

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  10. Hydrogen is collected in the laboratory by upward displacement of wate...

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  11. Hydrogen turns red litmus blue. (True / False)

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  12. Hydrogen occurs only, in traces in elemental form on Earth but it wide...

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  13. Hydrogen is a good reducing agent. It reduces metallic oxides into met...

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  14. Hydrogen has a dual position in the periodic table. (True / False)

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  15. Conc. H2SO4 reacts with Zinc to liberate hydrogen.

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  16. All metals react with acids to give hydrogen. (True / False)

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  17. The reaction between hydrogen and oxygen is highly exothermic. (True /...

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  18. Reactive metals like potassium and sodium react gently with cold water...

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