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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
In electrochemical series moving down the table the ease of discharge at cathode increases.why? And what is ease of discharge
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Since flourine is very electronegative as a result hydrogen makes a very positive character.as a result the H-bonding is very strong because of large difference in electronegativit
The maximum number of unpaired electron can be present in d orbitals are: (1) 1 (2) 3 (3) 5 (4) 7 Ans: 5
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calcium acetate
Write and balance the equation for the burning of an unknown hydrocarbon, C4H9 in air.
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