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प्रश्न
Give a balanced equation for –
A double decomposition neutralization reaction involving an acid and a base
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उत्तर
Neutralization of acid with a base to form salt and water.
\[\ce{\underset{\text{Base}}{NaOH} + \underset{\text{Hydrochloric acid}}{HCl}->\underset{\text{Salt}}{NaCl} + \underset{\text{Water}}{H2O}}\]
\[\ce{\underset{\text{Base}}{Ca(OH)2} + \underset{\text{Acid}}{H2SO4}->\underset{\text{Salt}}{CaSO4} + \underset{\text{Water}}{2H2O}}\]
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संबंधित प्रश्न
What type of reaction is represented by the following equation?
2 FeSO4 → Fe2 O3 + SO2 + SO3
What type of reaction is represented by the following equation?
NH4 CI → NH3 + HCI
MULTIPLE CHOICE QUESTIONS
Tick the most appropriate answer.
Thermal decomposition of a substance is brought about with the help of
- reactants
- water
- wind
- heat
(a) Design an activity to demonstrate the decomposition reaction of lead nitrate.
(b) Draw labelled diagram of the experimental set-up. List two main observations.
(c) Write balanced chemical equation for the reaction stating the physical state of the reactant and the products.
Explain the reaction given in the figure.
Photolysis is a decomposition reaction caused by ______
Give the ratio in which hydrogen and oxygen are present in water by volume.
Balance the following chemical equation and identify the type of chemical reaction.
`"H"_2"O"_2("l") overset("U V")(->) "H"_2"O"("l") + "O"_2("g")`
The reaction of calcium carbonate, with freshly prepared lime water, is shown below:
Answer the questions with the help of a diagram:
- What type of reaction does calcium carbonate undergoes?
- What change in colour is observed in lime?
- Write the chemical equation.
A metal nitrate 'A' on heating gives a metal oxide along with evolution of a brown coloured gas 'B' and a colourless gas, which helps in burning. Aqueous solution of 'A' when reacted with potassium iodide forms a yellow precipitate.
- Identify 'A' and 'B'
- Name the types of the reactions involved in the above statement.
