Question

Example for combination reaction from our daily life

Answer 1

Answer:

1. As burning of coal is best example of combination reaction as carbon compounds react with two oxygen molecules to give carbon dioxide gas .

Explanation:

I can explian you further with the help of equation : C(s) + O²(g) = CO²(g)

आई होप यू अंडरस्टैंड। हैव आ नाइस डे ।

Answer 2

Answer:

Examples of combination reactions from our daily life:-

1. Combustion Reaction - $C(s)+O_{2}(g)$ ⇒ $CO_{2}(g)$
2. Falling Acid Rain- $SO_{3}(g) + H_{2}O(l)$ ⇒ $H_{2}SO_{4} (aq)$
3. Forming Calcium Hydroxide - $CaO(s)+ H_{2}O(l)$ ⇒ $Ca(OH)_{2}(s)$
4. Soap Production - $Na_{2} OH(s)+H_{2}O(l)$ ⇒ $2NaOH(s)$
5. Ammonia Gas Manufacturing - $N_{2}(g)+ 3H_{2}(g)$ ⇒ $2NH_{3}$

Explanation:

• When two or more substances combine to produce a single compound, the reaction is referred to as a combination reaction.
• The reactants might be either elements or compounds.
• Since they lead to the formation of new compounds, these kinds of reactions are sometimes referred to as synthesis reactions.
• The following is the general pattern of such a reaction:

                      X+Y ⇒ XY

• Following are the examples of combination reactions from daily life:-

     1) Combustion Reaction

• A combustion reaction like the burning of coal is a type of combination reaction where solid carbon is combined with oxygen gas to produce carbon dioxide gas.

                           $C(s)+O_{2}(g)$ ⇒ $CO_{2}(g)$

    2) Falling Acid Rain

• When pollutants in the atmosphere, such as sulphur oxides, interact with falling rainwater in the air, the sulphur oxide combines with the rainwater to produce sulphuric acid.

                       $SO_{3}(g) + H_{2}O(l)$ ⇒ $H_{2}SO_{4} (aq)$

   3) Forming Calcium Hydroxide

• Quick lime combines with water to produce calcium hydroxide.

                     $CaO(s)+ H_{2}O(l)$ ⇒ $Ca(OH)_{2}(s)$

   4) Soap Production

• Sodium oxide combines with water to form sodium hydroxide which is used as soap.

                    $Na_{2} OH(s)+H_{2}O(l)$ ⇒ $2NaOH(s)$

   5) Ammonia Gas Manufacturing

• Nitrogen gas combines with hydrogen gas to produce ammonia gas which can be used for purifying water, dye products, refrigerant gas, and also as explosives.

                  $N_{2}(g)+ 3H_{2}(g)$ ⇒ $2NH_{3}$

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