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प्रश्न
State an important use of decomposition reactions.
उत्तर
An important use of decomposition reaction is digestion of food in our body. It is because the carbohydrates and proteins in the food we eat decompose to simpler sugars like glucose and amino acids, respectively. These further break down to provide us energy to do work.
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संबंधित प्रश्न
Write one equation for decomposition reactions where energy is supplied in the form of heat.
Give one example of a decomposition reaction which is carried out with electricity.
Which of the following can be decomposed by the action of light?
(a) NaCl
(b) KCl
(c) AgCl
(d) CuCl
Classify the following reaction as combination, decomposition, displacement, precipitation and neutralization. Also balance the equation.
\[\ce{Zn_{(s)} + H2SO4 -> ZnSO4_{(s)} + H2_{(g)}}\]
Give scientific reason.
When the gas formed on heating limestone, is passed through freshly prepared lime water, the lime water turns milky.
(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.
Complete the statement by filling in the blank with the correct word:
Decomposition of silver salts in the presence of sunlight is an example of _________.
Differentiate between the following:
Thermal decomposition and thermal dissociation.
The following reaction is used for the preparation of oxygen gas in the laboratory:
\[\ce{2KClO3_{(s)} ->[Heat] 2KCl + 3O2_{(g)}}\]
Which of the following statement about the reaction is correct?
Assertion: Decomposition of vegetable matter into compost is an endothermic reaction.
Reason: Decomposition reaction involves breakdown of a single reactant into simpler products.
