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Write the Balanced Equation and Give Your Observation When the Following Metal Reacts: Magnesium with Boiling Water - Chemistry

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प्रश्न

Write the balanced equation and give your observation when the following metal reacts:

Magnesium with boiling water

एका वाक्यात उत्तर
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उत्तर

Magnesium reacts slowly with boiling water and forms a base, magnesium hydroxide, liberating hydrogen gas.

\[\ce{Mg + 2H2O →Mg(OH)2 + H2 \uparrow}\]

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पाठ 6: Study of the First Element - Hydrogen - Exercise 6 (A) [पृष्ठ १०२]

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सेलिना Concise Chemistry [English] Class 9 ICSE
पाठ 6 Study of the First Element - Hydrogen
Exercise 6 (A) | Q 13.3 | पृष्ठ १०२

संबंधित प्रश्‍न

Hydrogen is combustible as well as a supporter of combustion.


Define catalytic hydrogenation.


MULTIPLE CHOICE QUESTIONS

The name hydrogen was given by

  1. Cavendish
  2. Lavoisier
  3. Haber
  4. none of these

FILL IN THE BLANK

The compounds of carbon and hydrogen are called .................


FILL IN THE BLANK

Hydrogen is present abundantly in the ................


Write the balanced equation and give your observation when the following metal reacts:

Magnesium with steam


Choose the correct option:

The composition of the nucleus of deuterium is


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). 


With reference to the equation : Cl2 + H2S → 2HCl + S pertaining to a redox reaction – select the correct answer.

Chlorine is ______ to HCl.


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


How can you obtain hydrogen from sodium hydroxide [not by electrolysis].


Name a gas which burns in air or oxygen forming water.


Write a correctly balanced equation for the following:

When steam is passed over red hot iron.


Write down the “word equation” for the following reaction:

sodium hydroxide solution + zinc → ?


How would you obtain ‘hydrogen from sodium hydroxide’ solution other than by electrolysis?


What do the following symbols represent : 2H and H2.


Describe briefly, with equations, the Bosch Process for the large scale production of hydrogen.


Give balanced equation for obtaining hydrogen from cold water using a divalent active metal.


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