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density of gas is 2.86 ltr.the gas may be-
Q. Show Occurrence Extraction of group 16? Oxygen is the most abundant of all elements on earth. Dry air contains 20.946% oxygen by volume in the free form. Oxygen forms about
why water molecule forms covalent bond even though it dissociates into ions
Reaction with Dehydration of alcohol Reaction with H 2 SO 4 [Dehydration of alcohol]: The removal of water from a compound is termed as dehydration. The sequence of simple deh
Nitric oxide becomes brown when released into the air
Name the chemical components which constitute nucleotides. Write any two functions of nucleotides in a cell.
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
Which one of the following configuration represents a noble gas: (1) 1s 2 , 2s 2 , 2p 6 , 3s 2 , (2)1s 2, 2s 2, 2p 6 , 3s 1 (3) 1s 2 , 2s 2 , 2p 6 ,
The energy of an electron in the first Bohr orbit of H atom is-13.6eV . The possible energy value(s) of the excited state(s) for electrons in Bohr orbits to hydrogen is(are):
Q. Beneficiation of Ores? Most of the ores available in nature contain large amounts of impurities, i.e. gangue. Direct extraction of metals from the ores by metallurgical proc
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