मराठी

Give the Balanced Equation of the Reaction. - Chemistry

Advertisements
Advertisements

प्रश्न

Give the balanced equation of the reaction.

एका वाक्यात उत्तर

उत्तर

3Fe + 4H2O ⇋ Fe3O4 + 4H2

shaalaa.com
Hydrogen
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 6: Study of the First Element - Hydrogen - Exercise 6 (A) [पृष्ठ १०२]

APPEARS IN

सेलिना Concise Chemistry [English] Class 9 ICSE
पाठ 6 Study of the First Element - Hydrogen
Exercise 6 (A) | Q 14.2 | पृष्ठ १०२

संबंधित प्रश्‍न

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

The hydrogen molecule is monovalent.


 Multiple Choice Question

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


FILL IN THE BLANK

In nature, hydrogen occurs as a .................. molecule represented as H2


FILL IN THE BLANK

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


FILL IN THE BLANK

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


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


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.


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


Give balanced equation for the following conversion:

Iron [III] oxide to iron – using hydrogen.


Give balanced equation for the following conversion:

Nitrogen to a basic gas – using hydrogen.


Match the statements in List I with the appropriate answer in List II.

List I List II
1. An atom of hydrogen A: Chromic oxide
2. A strong oxidising agent B: Ammonia
3. A promoter used in Bosch process C: Iron
4. A chemical used in the manufavture of fertilizers D: One electron
5. The catalyst used in production of a basic gas from nitrogen. E: Dilute nitric acid

Give a chemical test to distinguish between the following gases:

Ammonia and hydrogen chloride


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


Write correctly balanced equation for the following:
When steam is passed over red hot iron.


Describe one chemical test applied to the following gases, which would enable you to distinguish between them :‘carbon monoxide and hydrogen’.


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


Write balanced equation of the reaction in the preparation of : hydrogen from a solution of potassium hydroxide [other than by electrolysis].


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


Give a reason for the following.

A mixture of hydrogen and chlorine can be separated by passage through a porous pot.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×