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Tag Archives: Evevryday Science

MCQ’s For CSS-PMS- Everyday Science (Biology) [Part1]

Test Your Brain Get In the Quiz!

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Why Tarnish of Silver Occures?

The tarnish is a very thin layer of corrosion that forms over Silver.  The tarnishing of silver occurs due to the process of Oxidation but this is not the final it may can occur due to other chemical reactions too.

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Why Fanning causes Cooling in body?

The fanning causes evaporation of the moisture from body resulting the cooling effect by taking off the heat of evaporation and bringing the temperature down

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Why the water remains cool in earthen pitchers?

The water in pitchers gets evaporated through the pores present in the pitcher body causing the by evaporation. Some heat energy is utilized during the process of evaporation. Since this energy is taken from the water itself, it leads to a lowering of temperature in the remaining amount of water present.

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