मराठी

2KClOX3MnOX2−−−→2KCl+3OX2[g]−is a balanced equation⋅2KClOX3→MnOX22KCl+3OX2[g]−is a balanced equation⋅\ce{2KClO3->[MnO2] 2KCl + 3O2[g] - is a balanced equation.} State what is a ‘balanced equation’. - Chemistry

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प्रश्न

\[\ce{2KClO3->[MnO2] 2KCl + 3O2[g] - is a balanced equation.}\]

State what is a ‘balanced equation’.

टीपा लिहा

उत्तर

Balanced equation: “Equation in which the total number of atoms of each element in the reactants, on the left side of the equation is equal to the number of atoms of each element in the products formed, on the right side of the equation.”

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पाठ 1: The Language Of Chemistry - Additional Questions

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विराफ जे. दलाल Simplified ICSE Chemistry [English] Class 9
पाठ 1 The Language Of Chemistry
Additional Questions | Q 16.1

संबंधित प्रश्‍न

With the help of an appropriate example, justify that some of the chemical reactions are determined by Change in temperature.

Give chemical equation for the reaction involved in the above case.


Name the type of chemical reaction shown by the following equation:

Fe + CuSO4 → FeSO4 +Cu


Balance the following equation. Also name the product formed. 

`"Na"+ "H"_2 "O" → "NaOH"+ "H"_2`


Balance the following equation. Also name the product formed.

PbCO3    →   PbO +CO2


Write your observation and name the product when zinc reacts with dilute hydrochloric acid.


Balance the following equation:

PbS + O2 → PbO + SO2


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

What is the colour of this precipitate? Name the compound precipitated.


Balance the following chemical equation.

  1. Na + O2 → Na2O3
  2. Ca + N2 → Ca3N2
  3. N2 + H2 →NH3
  4. CaCO3 +HCl → CaCl2 + CO2 +H2O
  5. Pb(NO3)2 → PbO + NO2 + O2

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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