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Balance the Following Chemical Equation: - Science

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प्रश्न

Balance the following chemical equation:

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उत्तर

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पाठ 1: Chemical Reactions and Equations - Exercise 2 [पृष्ठ ४६]

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लखमीर सिंह Chemistry (Science) [English] Class 10
पाठ 1 Chemical Reactions and Equations
Exercise 2 | Q 18.2 | पृष्ठ ४६

व्हिडिओ ट्यूटोरियलVIEW ALL [4]

संबंधित प्रश्‍न

Balance the following chemical equation.

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


Balance the following chemical equation.

\[\ce{BaCl2 + H2SO4 -> BaSO4 + HCl}\]


Balance the following equation and add state symbols:

Zn  +  HCI →  ZnCI2  +  H2

 


Give one example of a chemical reaction characterised by change in state.


Is Electrolysis of water an endothermic reaction or an exothermic reaction?


What happens when silver nitrate solution is added to sodium chloride solution?
Write the equation for the reaction which takes place.


What information do you get from the equation H2+ Cl2  →  2HCl ?


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

Calcium carbonate → Calcium oxide + Carbon dioxide.


Balance the following equation. Also name the product formed.

PbCO3    →   PbO +CO2


In the experiment for determining the percentage of water absorbed by raisins, we do the final weighing of the raisins after keeping them dipped in water for about one hour. For the accuracy of the result, the extra water from the surface of the soaked raisins is removed by


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


Write the balanced chemical equation of the following reaction.
potassium bicarbonate + sulphuric acid → potassium sulphate + carbon dioxide + water


Write the balanced chemical equation of the following reaction.

aluminium + sodium hydroxide + water → sodium meta aluminate + hydrogen


Write the balanced chemical equation of the following reaction.

potassium dichromate + hydrochloric acid → Potassium chloride + chromium chloride + water + chlorine


Grills of doors and windows are always painted before they are used.


In certain reaction a change of state is observed i.e. solid to liquid, liquid to gas etc. – State the change of state of the products – to give the respective reactant.

\[\ce{C +2S -> CS2}\]


Name the following:

A catalyst which increases the rate of a chemical reaction.


Give an example of a chemical equation in which two reactants form:

two product


Write a balanced equation for the following word equation:

Potassium bicarbonate → Potassium carbonate + Water + Carbon dioxide 


Which among the following statement(s) is(are) true? ‘Exposure of silver chloride to sunlight for a long duration turns grey due to

  1. The formation of silver by the decomposition of silver chloride.
  2. sublimation of silver chloride.
  3. decomposition of chlorine gas from silver chloride.
  4. oxidation of silver chloride.

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