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S CHAND IIT JEE FOUNDATION-HYDROGEN-QUESTION BANK (true or false)
- Hydrogen is the lightest of all elements known to us.
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- Hydrogen molecule is bivalent.
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- The removal of hydrogen from a compound is called reduction.
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- When steam is passed over red hot iron, the substance formed are:
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- Hydrogen is highly soluble in water.(True / False)
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- Copper, mercury, silver, gold and platinum are placed below hydrogen i...
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- Hydrogen is combustible and a supporter of combustion.(True / False)
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- The reaction between hydrogen and nitrogen to form ammonia is reversib...
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- In the laboratory, hydrogen is prepared by the action of dilute nitric...
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- Hydrogen is collected in the laboratory by upward displacement of wate...
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- Hydrogen turns red litmus blue. (True / False)
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- Hydrogen occurs only, in traces in elemental form on Earth but it wide...
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- Hydrogen is a good reducing agent. It reduces metallic oxides into met...
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- Hydrogen has a dual position in the periodic table. (True / False)
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- Conc. H2SO4 reacts with Zinc to liberate hydrogen.
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- All metals react with acids to give hydrogen. (True / False)
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- The reaction between hydrogen and oxygen is highly exothermic. (True /...
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- Reactive metals like potassium and sodium react gently with cold water...
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