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Balance the Given Equation: Hno3 + Ca(Oh)2 Ca(No3)2 + H2o - Science

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प्रश्न

Balance the given equation:

HNO3 + Ca(OH)2  Ca(NO3)2 + H2O

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उत्तर

2HNO3 + Ca(OH)2 → Ca(NO3)2 + 2H2O

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अध्याय 1: Chemical Reactions and Equations - Exercise 1 [पृष्ठ १९]

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लखमीर सिंग Chemistry (Science) [English] Class 10
अध्याय 1 Chemical Reactions and Equations
Exercise 1 | Q 15.08 | पृष्ठ १९

वीडियो ट्यूटोरियलVIEW ALL [4]

संबंधित प्रश्न

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


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


What do you understand by exothermic reactions?


Which of the following does not involve a chemical reaction?


The metal M reacts vigorously with water to form a solution S and a gas G. The solution S turns red litmus to blue whereas gas G, which is lighter than air, burns with a pop sound. Metal M has a low melting point and it is used as a coolant in nuclear reactors.
(a) What is metal M?
(b) What is solution S? Is it acidic or alkaline?
(c) What is gas G?
(d) Write a balanced chemical equation for the reaction which takes place when metal M reacts with water.
(e) Is this reaction exothermic or endothermic?


Balance the following chemical equation :

Na2CO3 + HCl  →  NaCI + H2O + CO2


Balance the following chemical equation :

H2 + O2   →  H2O


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


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

Magnesium + Sulphuric acid → Magnesium sulphate + Hydrogen


Write the balanced chemical equation of the following reaction. iron + sulphuric acid → ferrous sulphate + hydrogen.


Define: Endothermic reaction 


1 g of copper powder was taken in a China dish and heated. What change takes place on heating? When hydrogen gas is passed over this heated substance, a visible change is seen in it. Give the chemical equations of reactions, the name and the color of the products formed in each case.


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

State why the compound MnO2 is written above the arrow.


Balance the following simple equation:

Fe   +   Cl2  →  FeCl3 


Balance the following simple equation:

Mg  +  CO2  →  MgO  +  C


In the chemical equation the _______ are written on the left-hand side.


Balance the given chemical reaction as per the instructions below.

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

Make a list of the elements in the chemical equation.


The following reaction is an example of a `4"NH"_3("g") + "SO"_2 -> 4"NO"("g") + 6"H"_2"O"("g")`

  1. displacement reaction
  2. combination reaction
  3.  redox reaction
  4. neutralisation 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.

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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