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तमिलनाडु बोर्ड ऑफ सेकेंडरी एज्युकेशनएसएसएलसी (अंग्रेजी माध्यम) कक्षा ७

Picture based question Arul and Aakash were doing an experiment in which water was to be heated in a beaker. Arul kept the beaker near the wick in the yellow part of candle flame. - Science

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प्रश्न

Picture based question

Arul and Aakash were doing an experiment in which water was to be heated in a beaker. Arul kept the beaker near the wick in the yellow part of candle flame. Aakash kept the beaker in the outer most part to the flame. Whose water will get heated in a shorter time?

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उत्तर

The water heated by Akash will get heated in a shorter time because he kept his beaker near the hottest (non- luminous) zone of the flame. But Arul kept the beaker in the luminous zone which is moderately hot. So, it will take longer time.

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अध्याय 4: Chemistry in Daily Life - Evaluation [पृष्ठ ७९]

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सामाचीर कलवी Science - Term 3 [English] Class 7 TN Board
अध्याय 4 Chemistry in Daily Life
Evaluation | Q IX. | पृष्ठ ७९
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