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Correct and Balance the Following Equations: N + H Nh3 - Science

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प्रश्न

Correct and balance the following equation:

N    +   H     NH3

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उत्तर

N2 + 3H2 → 2NH3

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

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लखमीर सिंह Chemistry (Science) [English] Class 10
पाठ 1 Chemical Reactions and Equations
Exercise 1 | Q 13.2 | पृष्ठ १९

व्हिडिओ ट्यूटोरियलVIEW ALL [4]

संबंधित प्रश्‍न

Balance the gievn equation:

NaOH + H2SO4  Na2SO4 + H2O


Fill in the following blank with suitable word:

A solution made in water is known as an ........... solution and indicated by the symbol ...........

 


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


You are given the solution of lead nitrate. In order to obtain a yellow precipitate you should mix with it a solution of:
(a) potassium chloride
(b) potassium nitride
(c) potassium sulphide
(d) potassium iodide


Write balanced chemical equation with state symbols for the following reaction:
Barium chloride solution reacts with sodium sulphate solution to give insoluble barium sulphate and a solution of sodium chloride.


Balance the following equation Also name the product formed.

`"K" + "CI"_2 → "KCI"`


What is the limitation of the reaction given in question 2?


Balance the following equation:

C + H2SO4 → CO2 + H2O + SO2


What is the valency of :

carbon in CH4


Write the balanced chemical equations of the following reactions.

chlorine + sulphur dioxide + water →  sulphuric acid + hydrogen chloride


How is a flame test performed?


When a potassium iodide solution is added to a solution of lead (II) nitrate in a test tube, a precipitate is formed.

What is the colour of this precipitate? Name the compound precipitated.


When a potassium iodide solution is added to a solution of lead (II) nitrate in a test tube, a precipitate is formed.

Write the balanced chemical equation for this reaction.


Write word equation for the following molecular equation:

AgN03 + HCI → HNO3 + AgCl ↓

Word equation:

State whether AgCl is soluble or insoluble in HN03.


Representation of the results of a chemical change – is a chemical equation.

For the equation: FeCl3 + 3NH4OH 3NH4Cl + Fe(OH)3 ↓

Answer the following:

What is the indications of the arrow between the reactants and the products and of the arrow pointing downwards at the end.


Balance the following simple equation:

Al   +   N2  →  AlN 


Underline the compound in the equation given below, it is incorrectly balanced and write the correct balancing for the same.

3CuO + NH3 → 3Cu + 3H2O + N2


What are products? Explain with the help of example.


Balance the given chemical reaction as per the instructions below.

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

Write the number of atoms of various elements in the reactants and products.


Write the skeleton equation for the following word equation and then balance them.

  1. Carbon + Oxygen → Carbon dioxide.
  2. Phosphorus + Chlorine → Phosphorus pentachloride.
  3. Sulphur + Oxygen → Sulphur dioxide.
  4. Magnesium + hydrogen → Magnesium + Hydrogen chloride chloride.

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