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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

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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Hydrogen
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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

Indicate which of the following statement is true and which is false:

Hydrogen gas is easily liquefiable. 


Complete and balance the following equation:

H2+____________→ 2HCI


Give reason for the following:

A pop sound produced when hydrogen is burnt?


 Multiple Choice Question

 Equal volumes of hydrogen and chlorine are exposed to diffused sunlight to prepare


MULTIPLE CHOICE QUESTIONS

Which is the lightest of all elements?

  1. hydrogen
  2. helium
  3. lithium
  4. none of these

FILL IN THE BLANK

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


Why is hydrogen called a reducing agent? Give chemical equation to support your answer ?


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

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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 equations for the reactions.


How is hydrogen separated from carbon dioxide and carbon monoxide? 


Give a test to differentiate between two gas jars – one containing pure hydrogen and the other hydrogen-air mixture.


What do the following symbols [or formula] denote : 2H ; H2 ; H+. [two atoms, molecule, ion]


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


Write balanced equation for the following reaction:
magnesium + dil. hydrochloric acid → ___


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


Explain the following:

Two jars of H2 are collected – “one burns quietly and the other does not”.


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

sodium hydroxide solution + zinc → ?


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


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