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Structure of the Atom
Everything that exists in our universe is made up of this tiny particle called atom. The computer you are working on is made up of atom..
Size of the Atom Elements
Atoms are infinitesimally small. Smaller than any thing we can imagine. One hydrogen atom, the smallest atom known, is approximately 5 x 10 -8 mm in diameter. To put that in perspective, it would take almost 20 million hydrogen atoms to make a line as long as this dash ' - '. The extremely small si..
Electricity Introduction
. But it was the American inventor, Benjamin Franklin (1706 - 1796) who experimented with electricity and made major inroads in understanding the phenomenon. By the middle of the eighteenth century, there were machines that could generate large electrical charges. Static electricity may produce dra..
. But it was the American inventor, Benjamin Franklin (1706 - 1796) who experimented with electricity and made major inroads in understanding the phenomenon. By the middle of the eighteenth century, there were machines that could generate large electrical charges. Static electricity may produce dra..Structure of the Atom
Structure of Atom - When scientists started exploring matter, they discovered that the smallest particle of an element that maintains its chemical identity through all chemical and physical changes is called and 'atom'. Just how small these atoms are can be made out if you realize that there are ab..
Structure of Atom - When scientists started exploring matter, they discovered that the smallest particle of an element that maintains its chemical identity through all chemical and physical changes is called and 'atom'. Just how small these atoms are can be made out if you realize that there are ab..b. Why?
The portion inside the bottle does not get carbon dioxide and thus, no photosynthesis takes place in that regio..
Why do we Fall ill Introduction
Introduction - Health is considered to be the state of perfect functioning of body and mind, unhindered by diseases. Disease is the malfunctioning of the organism or a part of it due to infection, inherent weakness or environmental stress that upsets the normal physiological functioning of the orga..
b. Why does oxygen evolve?
In sunlight the hydrilla twig carries out photosynthesis. During this process, carbon dioxide is taken in and oxygen is released. Hence, oxygen is liberate..
Science I
Matter In Our Surroundings - Matter can be defined as anything that occupies space, (i.e., has a volume), possesses mass, offers resistance and can be felt through one or more of our sense..
a. Addition of iodine to A gives no blue colour. Why?
The action of salivary enzymes on starch converts it to sugar and hence no starch in the test-tube. Thus no blue colou..
b. Addition of Benedict's reagent to B gives red precipitate. Why?
Benedict's reagent gives red colour precipitate with sugar. In B also the salivary enzyme has converted starch to sugar and the latter gives the red precipitat..
Result
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