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Balance the Given Equation: Ai(Oh)3 Ai2o3 +H2o - Science

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प्रश्न

Balance the given equation:

AI(OH)3   AI2O3 +H2O

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उत्तर

2Al(OH)3 → Al2O3 + 3H2O

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
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 15.05 | पृष्ठ १९

व्हिडिओ ट्यूटोरियलVIEW ALL [4]

संबंधित प्रश्‍न

What does the symbol (aq) represent in a chemical equation?


Balance the given equation:

Mg(OH)2  + HCI    MgCI + H2O


Balance the given equation:

AI2(SO4)3 +NaOH  AI(OH)3 + Na2SO4 


Write the balanced equation for the following reaction, and add the state symbols:

Sodium hydroxide reacts with sulphuric acid to produce sodium sulphate and water.


State one characteristic of the chemical reaction which takes place when wax is burned in the form of a candle?


Explain the following reaction with one suitable example .
Decomposition reaction


Write word equation for the following skeletal equation:

\[\ce{CO + O2 -> CO2}\]


Write word equation for the following skeletal equation:

\[\ce{NaOH + H2SO4 -> Na2SO4 + H2O}\]


Write your observation for the following chemical reaction and name the product formed :
When ammonium chloride is heated with sodium hydroxide.


Balance the following equation. Also name the products formed. 

`"Mg" + "O"_2  →  "MgO"`


Raisins are wiped off gently before final weighing with the help of


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Write the balanced chemical equation of the following reaction.

sulphur + nitric acid→ sulphuric acid  + nitrogen dioxide + water.


What is thermit process? Where is this process used? Write a balanced chemical equation for the reaction involved.


Name the substances that are getting oxidised and reduced in the process.


Representation of the results of a chemical change – is a chemical equation.

For the equation: FeCl3 + 3NH4OH 3NH4Cl + Fe(OH)3 ↓

Answer the following:

What is the indications of the arrow between the reactants and the products and of the arrow pointing downwards at the end.


Write word equation for the following chemical reaction given below. Also state the observation seen in the case.

Pb(NO3)2 + 2NH4OH → 2NH4N03 + Pb(OH)2↓


Balance the following simple equation:

Zn  +   NaOH  →   Na2ZnO2   +   H2 


The chemical equation Na2SO4(aq) + BaCl2(aq) → BaSO4(s)↓ + 2NaCl(aq) represents which of the following types of reaction?


Three beakers labelled as A, B and C each containing 25 mL of water were taken. A small amount of NaOH, anhydrous CuSOand NaCl were added to the beakers A, B and C respectively. It was observed that there was an increase in the temperature of the solutions contained in beakers A and B, whereas in case of beaker C, the temperature of the solution falls. Which one of the following statement(s) is(are) correct?

  1.  In beakers A and B, exothermic process has occurred.
  2. In beakers A and B, endothermic process has occurred.
  3. In beaker C exothermic process has occurred.
  4.  In beaker C endothermic process has occurred.

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