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Write down the reactions taking place in different zones in the blast furnace during the extraction of iron.
Q. Show the basic Characteristics of Organic Compounds? Ans. Almost all organic compounds contain the elements of hydrogen and carbon. These compounds often contain
From personal experience, describe whether these processes are endothermic or exothermic. Give a reason for each. a . A charcoal briquette burns. b . Ice me
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Write one reaction each to exemplify the following: (a) Aldol condensation (b) Friedel-Crafts reaction
Why phenol can also be prepared from chlorobenzene(Dow''s process)
The value of Planck's constant is 6.63x 10 -34 Js. The velocity of light is 3.0x 10 8 ms -1 . Which value is closest to the wavelength in nanometres of a quantum of light with
Extension
describe exothermic and endothermic reactions with examples.
When α -particles are sent through a thin metal foil, most of them go straight through the foil because (one or more are correct) : (1) Alpha particles are much heavier than ele
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