Q. 37 A4.7( 7 Votes )
Why are decomposition reactions called the opposite of combination reactions? Explain with equations of these reactions.
Ex- Decomposition Reaction:
Here Agcl(s) decomposes to give Ag(s) and Cl(s)
Here, Copper and Oxygen combine to give Copper Oxide.
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Which among the following statement(s) is(are) true? Exposure of silver chloride to sunlight for a long duration turns grey due to:
(i) The formation of silver by decomposition of silver chloride
(ii) Sublimation of silver chloride
(iii) Decomposition of chlorine gas from silver chloride
(iv) Oxidation of silver chlorideEvergreen Science
Which of the following are exothermic processes?
(i) Reaction of water with quicklime
(ii) Dilution of an acid
(iii) Evaporation of water
(iv) Sublimation of camphor (crystals)Evergreen Science
(b)Lakhmir Singh & Manjit Kaur - Chemistry