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प्रश्न
Give reason for the following:
The reaction of chlorine with hydrogen sulphide is deemed a redox reaction.
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उत्तर
Reaction of Cl2 with H2S is redox reaction as Cl2 gets reduced to HCl and H2S is oxidised simultaneously in the reaction. Hence it is redox reaction.
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संबंधित प्रश्न
Indicate which of the following statement is true and which is false:
The hydrogen molecule is monovalent.
Hydrogen is combustible as well as a supporter of combustion.
MULTIPLE CHOICE QUESTIONS
The name hydrogen was given by
- Cavendish
- Lavoisier
- Haber
- none of these
FILL IN THE BLANK
In nature, hydrogen occurs as a .................. molecule represented as H2
Write the balanced equation and give your observation when the following metal reacts:
Magnesium with steam
Choose terms from the options given in brackets to complete this sentence.
A metal …………….. hydrogen in the activity series gives hydrogen with …………… acid or …………… acid.
(above, below, dilute hydrochloric, concentrated hydrochloric, dilute sulphuric).
Give balanced equation for the following conversion:
Iron [III] oxide to iron – using hydrogen.
Give a chemical test to distinguish between the following gases:
Ammonia and hydrogen chloride
Write balanced equation of the reaction in the preparation of : hydrogen from a solution of potassium hydroxide [other than by electrolysis].
Select the correct answer from the symbol in the bracket.
The element, which like hydrogen has one valence electron.
