Q. 44.0( 10 Votes )
Why respiration and decomposition processes are considered to be an exothermic process?
Respiration and decomposition processes are exothermic process because:
i. We all get energy from the food we eat.
ii. During digestion, food is broken down into simpler substances.
iii. For example, Carbohydrates (rice, potatoes, bread) are broken down to form glucose.
iv. This glucose combines with oxygen and provides energy to the whole body.
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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