मराठी

Aluminium Burns in Chlorine to Form Aluminium Chloride (Alcl3). Write a Balanced Chemical Equation for this Reaction. - Science

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प्रश्न

Aluminium burns in chlorine to form aluminium chloride (AlCl3). Write a balanced chemical equation for this reaction.

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उत्तर

2Al (s) + 3Cl2 (l)→ 2AlCl3 (s)

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पाठ 1: Chemical Reactions and Equations - Exercise 1 [पृष्ठ १९]

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लखमीर सिंह Chemistry (Science) [English] Class 10
पाठ 1 Chemical Reactions and Equations
Exercise 1 | Q 21.2 | पृष्ठ १९

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संबंधित प्रश्‍न

Balance the chemical equation.

\[\ce{HNO3 +Ca(OH)2 -> Ca(NO3)2 + H2O}\]


Balance the given chemical equation:

NH3 → N2 + H2


What are the various ways in which a chemical equation can be made more informative? Give examples to illustrate your answer.


Zinc oxide reacts with carbon, on heating, to form zinc metal and carbon monoxide. Write a balanced chemical equation for this reaction. Name (i) oxidising agent, (ii) reducing agent, in this reaction.

 

Write symbolic representation for the following word equation and balance them :

Calcium oxide + Water → Calcium hydroxide


Balance the following equation. Also name the product formed. 

CO2 + C →  CO


To determine the percentage of water absorbed by raisins, raisins are soaked in water for: 


What is the limitation of the reaction given in question 2?


Write the chemical equation for the following word equation and balance them.

Sodium reacts with water to form sodium hydroxide and hydrogen


Balance the following equation:

PbS + O2 → PbO + SO2


Balance the following equation:

MnO2 + HCl → MnCl2 + H2O + Cl2


Balance the following equation:

Pb3O4 + HCl → PbCl2 + H2O + Cl2


Balance the following equation:

 HNO3 + H2S → NO2 + H2O + S


Identify the type of reaction taking place of the following case and write the balanced chemical equation of the reaction:
Zinc reacts with silver nitrate to produce zinc nitrate and silver.


When a potassium iodide solution is added to a solution of lead (II) nitrate in a test tube, a precipitate is formed.

Write the balanced chemical equation for this reaction.


Write word equation for the following molecular equation:

CuCo3 → CuO + CO2 [g]

Word equation:

State the characteristics or indications occurring in the above reaction.


In certain reaction an insoluble solid called precipitate is formed. State the colour and name of the precipitate formed in the following reaction involving addition of:

Lead nitrate to ammonium hydroxide.?


Balance the following simple equation:

NO   +   O2  →  NO2 


With reference to a chemical equation state which of the statements 1 to 5 pertain to A or B.
A: Information provided by a chemical equation. 
B: Limitations of a chemical equation.

  1. The nature of the individual elements.
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  3. The state of matter in which the substance is present.
  4. The completion of the reaction.
  5. The direction of the reaction.

Underline the compound in the equation given below, it is incorrectly balanced and write the correct balancing for the same.

6NaOH + 3Cl2 → 6NaCl + NaClO3 + 3H2O


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