A few changes are listed in the given box . Now, read the given passage and fill in the blanks by choosing an appropriate option. Processes (p)_____ involve consumption of heat energy and are (q)_____ in nature while processes (r ) ___________ involve evolution of heat energy and are (s)________ in nature.
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B
Cooking of food and water to steam., both involve consumption of heat energy and are endothermic in nature while changes .dissolving washing soda in water., .burning of wood., .respiration. and quick lime to slaked lime. involve evolution of heat energy and are exothermic in nature.
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SCIENCE OLYMPIAD FOUNDATION -NSO QUESTION PAPER 2017-18 SET B-ACHIEVERS SECTION
