मराठी
महाराष्ट्र राज्य शिक्षण मंडळएस.एस.सी (इंग्रजी माध्यम) इयत्ता १० वी

Balance the given chemical reaction as per the instructions below. NaOH + H2SO4 -> Na2SO4 + H2O Write the number of atoms of reactants and products.

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प्रश्न

Balance the given chemical reaction as per the instructions below.

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

Write the number of atoms of reactants and products.

अति संक्षिप्त उत्तर
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उत्तर

  Reactants
(Left side)
Products
(Right side)
Element Number of atoms Number of atoms
Na 1 2
O 5 5
H 3 2
S 1 1
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पाठ 3: Chemical reactions and equations - Answer the following questions [पृष्ठ ५०]

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एससीईआरटी महाराष्ट्र Science and Technology Part 1 [English] Standard 10 Maharashtra State Board
पाठ 3 Chemical reactions and equations
Answer the following questions | Q 1 (C) | पृष्ठ ५०

संबंधित प्रश्‍न

Translate the following statement into a chemical equation and then balance it.

Potassium metal reacts with water to give potassium hydroxide and hydrogen gas.


Write a balanced chemical equation from the following information:

An aqueous calcium hydroxide solution (lime water) reacts with carbon dioxide gas to produce a solid calcium carbonate precipitate and water.


Explain, with an example, how the physical states of the reactants and products can be shown in a chemical equation.


Balance the following chemical equation:

\[\ce{MnO2 + HCl -> MnCl2 + Cl2 + H2O}\]


The chemical reaction between quicklime and water is characterised by ______.


Balance the following chemical equation :

FeS + HCl →  FeCl2 + H2S


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

 Carbon + Oxygen → Carbon dioxide.


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

Aluminium + Chlorine → Aluminium chloride.


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

Iron + Sulphur → Iron sulphide.


Balance the following equation. Also name the products formed. 

\[\ce{Ag + S -> Ag2S}\]


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


\[\ce{MnO2 + 4HCl -> MnCl2 + 2H2O + Cl2}\]

0.02 moles of pure MnO2 is heated strongly with conc. HCl. Calculate the volume of chlorine gas formed at S.T.P.


\[\ce{MnO2 + 4HCl -> MnCl2 + 2H2O + Cl2}\]

0.02 moles of pure MnO2 is heated strongly with conc. HCl. Calculate moles of acid required.


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.

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


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.

\[\ce{2H2O ->[electric][current] 2H2 + O2}\]


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:

Iron [II] sulphate to sodium hydroxide.


What is meant by ‘reactants’ and ‘products’ in a chemical equation?


Balance the following simple equation:

NaOH  +  Cl2  →  NaCl  +   NaClO  +  H2O 


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

What is called thermolysis reactions?


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