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Name the principal ore of tin or lead.
Describe the different steps (along with equationsfor the reactions) involved in the extraction of the metal from the ore named.
Name an important alloy of each, tin and lead.
#questio1. Alcohols and amines are both nucleophilic. Explain why this reaction occurs to form Benadryl (diphenhydramine)n..
What wieght of CO is required to form re2(CO)10 from 2.5 gm of re2(O)7
Calculate how much heat energy is required to raise the temperature of a cube of copper of side 2cm. from 300 to 320k. given: density=8933kg/m cube , atomic weight=63.55, cp=24j/k/
Thermodynamics Consider an ionic solid that dissolves in water according to the equation: The equilibrium constant for the reaction, is defined as the solubilit
how to make project on iodoform?
Limitations of flame photometry: The limitations of the techniques involve the following. The low temperature of the natural gas and air flame limits a method to simply
Q. Show the broader classification? A broader classification is based on the reaction of the oxide with water. According to this, oxides are classified as' acidic, basic, neutr
Q. Detect the presence of synthetic food colours in the given samples? Objectives After conducting this activity, you will be able to: • describe the kind of natural
out of Kr and Rb+ ,which has greater size and why?
how long does time take to wash away the colour
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