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प्रश्न
State the following pertaining to the physical properties of hydrogen: Colour & odour
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उत्तर
Colour and odour of hydrogen gas colourless. Odourless.
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संबंधित प्रश्न
Discuss the occurrence of hydrogen in the universe and on the earth ?
Discuss the use of hydrogen as a fuel ?
Give the general group study of hydrogen with reference to
valence electrons
Under what conditions can hydrogen be made to combine with sulphur?
Name the products and write the equation for the reaction.
Choose terms from the options given in brackets to complete this sentence.
Hydrogen is ………………… soluble in water.
(sparingly, highly, moderately)
State the following pertaining to the physical properties of hydrogen: Solubility in water
State the following pertaining to the physical properties of hydrogen: Effect on moist blue litmus paper.
Complete and balance the equation:
Conversion of hydrogen to -
Hydrogen chloride - H2 + Cl2 → ________
Why is copper not used to prepare hydrogen by the action of dilute hydrochloric acid or dilute sulphuric acid on the metal, [copper [Cu] below hydrogen – no reaction]
State the use of hydrogen –
In the extraction of metals
