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

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लखमीर सिंग Chemistry (Science) [English] Class 10
अध्याय 1 Chemical Reactions and Equations
Exercise 2 | Q 18.1 | पृष्ठ ४६

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संबंधित प्रश्न

Balance the chemical equation.

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


Correct and balance the following equation:
Ca   +   H2O     CaOH   +   H


When potassium nitrate is heated, it decomposes into potassium nitrite and oxygen. Write a balanced equation for this reaction and add the state symbols of the reactants and products.


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.


One of the following does not happen during a chemical reaction. This is:
(a) Breaking of old chemical bonds and formation of new chemical bonds
(b) Formation of new substances with entirely different properties
(c) Atoms of one element change into those of another element to form new products.
(d) A rearrangement of atoms takes place to form new products.


Explain the following reaction with one suitable example .
Decomposition reaction


Write your observation for the following chemical reaction and name the product formed:

When sugar is heated.


Dry raisins were soaked in water for 2 hours, to determine the percentage of water absorbed by raisins. Before final weighing of swollen raisins, the extra water left on the surface of soaked raisins was removed by:


Complete the following equation:
CH4 + O2 —>


In electrolysis of water, why is the volume of gas collected over one electrode double that of gas collected over the other electrode?


Balance the equation stepwise.
H2S2O7(l) + H2O(l) → H2SO4(l)


Balance the equation stepwise.

 Ag(s) + HCl(aq) → AgCl ↓+ H2 ↑ 


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

Nitrogen + Oxygen → Nitrogen monoxide


Balance the following equation:

Pb3O4 → PbO + O2


Balance the following equation:

MnO2 + HCl → MnCl2 + H2O + Cl2


Write the balanced chemical equation of the following reaction.

zinc sulphide + oxygen → zinc oxide + sulphur dioxide


Write the balanced chemical equation of the following reaction.

sodium chloride + manganese dioxide + sulphuric acid → sodium hydrogen sulphate  + manganese sulphate + water + chlorine.


Write word equation for the following molecular equation:

Na2SO3 + 2HCl [dil.] → 2NaCl + H2O + SO2 [g] 


Write a balanced equation for the following word equation:

Nitrogen dioxide + Water + Oxygen → Nitric acid


When aqueous solutions of potassium iodide and lead nitrate are mixed an insoluble substance separates out. The chemical equation for the reaction involved is: 


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