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When beryllium is bombarded with α -particles, extremely penetrating radiations which cannot be deflected by electrical or magnetic field are given out. These are:
(1) A beam of protons
(2) α -rays
(3) A beam of neutrons
(4) X-rays
Ans: A beam of neutrons
types of electromeric effect
Ask question #Minimureaction with Nam 100 words accepted#
Atomic emission spectrometry: In atomic emission spectrometry (AES), a reproducible and representative amount of the sample is introduced into an atomization-excitation source
Q. Determine the wavelength of light wave? Ans. The frequency of an infrared wave is 2.07 x 10 14 Hz. What is the wavelength? c = λv Since we know the speed of light we
what is the chemistry behind the reactions of confirmatory test of sulphide radical of dilute acid group.
prove berzelius hypothesis
Borazole is very stable because it is aromatic; each nitrogen contributes two p electrons and each boron contributes zero electrons, for a total of six p electrons in the aromatic
a bacterial culture isolsted from sewaga produces36.4cm of methane gas at 27C and 760mmHg this gas occupies 33124cm at 0c and same pressure explainvolume temperature relation ship
The maximum number of unpaired electron can be present in d orbitals are: (1) 1 (2) 3 (3) 5 (4) 7 Ans: 5
any information of polymers
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