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Balance the given chemical reaction as per the instructions below. NaOH+HX2SOX4⟶NaX2SOX4+HX2O Write names of reactants and products of chemical reaction.

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प्रश्न

Balance the given chemical reaction as per the instructions below.

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

Write names of reactants and products of chemical reaction.

एक पंक्ति में उत्तर
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उत्तर

Names of reactants: Sodium hydroxide and Sulphuric acid
Names of products: Sodium sulphate and water

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अध्याय 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
अध्याय 3 Chemical reactions and equations
Answer the following questions | Q 1 (A) | पृष्ठ ५०

संबंधित प्रश्न

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

Hydrogen sulphide gas burns in the air to give water and sulphur dioxide.


Find the odd man out:

Turmeric, Methyl Orange, Rose petals, Beetroot.


Translate the following statement into a chemical equation and then balance the equation:

Phosphorus burns in oxygen to give phosphorus pentoxide.


What are the various ways in which a chemical equation can be made more informative? Give examples to illustrate your answer.


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.


When water is added gradually to a white solid X, a hissing sound is heard and a lot of heat is produced forming a product Y. A suspension of Y in water is applied to the walls of a house during white washing. A clear solution of Y is also used for testing carbon dioxide gas in the laboratory.

  1. What could be solid X? Write its chemical formula.
  2. What could be product Y? Write its chemical formula.
  3. What is the common name of the solution of Y which is used for testing carbon dioxide gas?
  4. Write chemical equation of the reaction which takes place on adding water to solid X.
  5. Which characteristic of chemical reactions is illustrated by this example?

Name the various types of chemical reactions.


Write word equation for the following skeletal equation:

\[\ce{KNO3 -> KNO2 + O2}\]


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


Complete the following blank in the equation as indicated.

\[\ce{CaH2_{(s)} + 2H2O_{( aq)}-> Ca(OH)2_{(s)} + 2H2_{(g)}}\]

Moles: 1 mole + ______ `→` ______ + ______


Identify the type of reaction taking place of the following case and write the balanced chemical equation of the reaction:
Zinc reacts with silver nitrate to produce zinc nitrate and silver.


A chemical reaction is generally accompanied by certain external indications or characteristics. These include – change of – (a) colour (b) state (c) smell (d) evolution of gas (e) formation of precipitate (f) evolution or absorption of heat. With reference to change of colour – state the change in colour seen when the following are heated – copper carbonate.


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.

NH3 + HCl ⇌ NH4Cl 


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↓


An element X is trivalent. Write the balanced equation for the combustion of X in oxygen.


Balance the following simple equation:

Mg   +   N2  →  Mg3N2 


Balance the following simple equation:

K  +   H2O   →   KOH   +   H2 


Write three steps of writing chemical equations with example?


Which among the following is(are) double displacement reaction(s)?

  1. `"Pb" + "CuCl"_2 -> "PbCl"_2 + "Cu"`
  2. `"Na"_2"SO"_4 + "BaCl"_2 -> "BaSO"_4 + 2"NaCl"`
  3. `"C" + "O"_2 -> "CO"_2`
  4. `"CH"_4 + 2"O"_2 -> "CO"_2 + 2"H"_2"O"`

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