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Ascorbic Acid (vitamin C)
Although the antiscorbptic (preventing the disease scurvy) effects of citrus hits was known for a long time, the first important step towards its isolation was the discovery of Holst and Frolich in 1907. They reported that guinea pigs, like man and monkey, were also susceptible to scurvy. The isolation of vitamin C was carried out by Zilva during 1917-1927.
which is the probable principal source of nitrates and phosphate a. the water cycle b. nitrogen fixation c. bacterial decay d. change in environmental temperature e. changes in lig
Flammable Solids : Flammable solids are substances which are flammable or liable to spontaneous combustion or emit flammable gases on contact with water. Examples are: camphor, ci
Importance of Parent materials Different rocks or parent materials placed under similar climatic conditions give rise to soils which are very similar to one another. On the o
why do we get shock when we touch an open wire?
describe the factors which decide broad area of scientific activity
Q. List any three human activities which would lead to an increase in the carbon dioxide content of air (i) Burning of fuels in various processes like heating, cooking, transpor
Explain Light source - Pre-requisites of Colour Perception No colour may be detected by the eyes or by an instrument in the dark i.e. in the absence of a light source emitti
#question: Describe the factors which decide the broad area of Scientific activity ?
what is the regulation of steady conditions inside an organism
Explain the acid/base balance of our blood changes This acid/base balance of our blood changes in response to many things. These include: Diet: the diets that are rich in
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