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Balance the Given Equation: H2o2 H2o + O2 - Science

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प्रश्न

Balance the given equation:

H2O2  H2O + O2

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उत्तर

2H2O2 → 2H2O + O2

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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 15.02 | पृष्ठ १९

वीडियो ट्यूटोरियलVIEW ALL [4]

संबंधित प्रश्न

What is a balanced chemical equation? Why should a chemical equation be balanced?


Write the balanced chemical equation for the following reaction.

\[\ce{Barium chloride + Potassium sulphate → Barium sulphate + Potassium chloride}\]


Write a balanced chemical equation for the process of photosynthesis giving the physical states of all the substances involved and the conditions of the reaction.


Is Burning of natural gas an endothermic reaction or an exothermic reaction?


An acid which can decolourise purple coloured potassium permanganate solution is:
(a) sulphuric acid
(b) citric acid
(c) carbonic acid
(d) hydrochloric acid


One of the following is an exothermic reaction. This is:
(a) electrolysis of water
(b) conversion of limestone into quicklime
(c) process of respiration
(d) process of photosynthesis


Explain the following reaction with one suitable example .
Decomposition reaction


Balance the following chemical equation :

Na2CO3 + HCl  →  NaCI + H2O + CO2


Write your observation for the following chemical reaction and name the product formed :
When ammonium chloride is heated with sodium hydroxide.


Complete the following equation:

CH3COOH + NaOH → 


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 following equation:

C + H2SO4 → CO2 + H2O + SO2


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 –  lead [IV] oxide.


Give word equation for the following chemical reaction and give the names of the product formed.

Zn + 2HC1→ ZnCl2 + H2


Name the following:

The gas evolved when a dilute acid is added to chalk [limestone].


Balance the following simple equation:

ZnS   +   O2  →  ZnO + SO2 


Balance the given chemical reaction as per the instructions below.

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

Write names of reactants and products of chemical reaction.


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.


The chemical equation Na2SO4(aq) + BaCl2(aq) → BaSO4(s)↓ + 2NaCl(aq) represents which of the following types of reaction?


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