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Home Posts tagged Oxygen
Science

What is the real colour of fire ?

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Fire is the rapid oxidation of a material in the exothermic chemical process of combustion, releasing heat, light, and various reaction products. Fire is hot because the conversion of the weak double bond in molecular oxygen, O2, to the stronger bonds in the combustion products carbon dioxide
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How many years will the sun last ?

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The Sun is about 4.6 billion years old – gauged on the age of other objects in the Solar System that formed around the same time. And, based on observations of other stars, astronomers predict it will reach the end of its life in about ************** years ( watch video for the exact info)
Science

What is the real speed of earth ?

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The Earth’s rotation is gradually slowing. This deceleration is happening almost imperceptibly, at approximately 17 milliseconds per hundred years, although the rate at which it occurs is not perfectly uniform. Earth has a powerful magnetic field.This phenomenon is caused by the  nickel-iron core of the planet, coupled with its rapid rotation. This field protects the
Biology & Life Sciences

Is Water colourless ?

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There are two kinds of water: salt water and fresh water. Salt water contains large quantities of salt, while fresh water has a dissolved salt concentration of less than 1%. Only fresh water can be used as drinking water.  Water is the only substance on earth that is found naturally in three forms: liquid, solid and […]
Science

Like an earthquake is there is Moonquake ?

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The Moon (or Luna) is the Earth’s only natural satellite and was formed 4.6 billion years ago around some  30–50 million years after the formation of the solar system. The Moon is in synchronous rotation with Earth meaning the same side is always facing the Earth.The Moon has much weaker gravity than Earth, due to […]

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