___ is amphoteric in nature.
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If the first and third members of a Dobereiner triad are Phosphorous and Antimony, the second member of this triad is
Which of the following is used in the preparation of tincture iodine, cough syrup and many tonics?
Dried fruit like raisins when soaked in water, bulge and get filled with water. What is the scientific reason that explains this daily life event?
CuO + H2 ---> Cu + H2O. This equation is an example of
Warming Ammonium chloride with sodium hydrochloride in a test tube is an example of
Which of the following constitutes highest percentage of Green House gases?
_____ is produced from incomplete burning of fuels such as petrol and diesel.
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