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The configuration 1s2 2s2 2p5 3s1 shows:
(1) Excited state of O2-
(2) Excited state of neon
(3) Excited state of fluorine
(4) Ground state of fluorine atom
Ans: Excited state of neon
copper reacts with oxygen to form two oxides es x and y on analysis 1.535 g of x yielded 1.365 g of copper and 1.450 g of y yielded 1.160 g of copper(1) determine the chemical for
Electrolysis of Water without Indicator • Assemble the power supply for electrolysis. Attach alligator clips to the separate poles of the battery. Make sure that the wires from
formula of acetic acid
Processing of Cereals Owing to the low moisture content, cereals and pulses are relatively stable during storage; and processing is not so much for preservation. However, proc
what is radiometric titration
The number of electrons involved in the bond formation of N 2 molecule : (1) 2 (2) 4 (3) 6 (4) 10 Ans: 6
plese give me awart sarni upto 200 nos
Why phenol does not react with sodium carbonate & sodium bicarbonate? Reason: This is because Phenol is less acidic than H 2 CO 3 and hence the reaction doesnt takes place.
two oxides of a metal contain 27.6% and 30% oxygen. if the formula for the first oxide is m3o4 then what is the formula for the next oxide?
if the electon in hydrogen atom is exited to n=5 the number of diffrent frequency of radiations which may be exited is
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