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importance of chemistry in computer engineering
Why do the hydrides of O and F in group 16 and 17 respectively show abnormally high melting points and boiling points as compared to other hydrides in their respective groups? Expl
Pb(NO)3 + Na3Po4 --> NaNo3 + PbPO4
Q. What are the properties of water? Ans. Water is a colorless, odorless, tasteless liquid with a melting and freezing point of 0 o C and a boiling point of 100 o C at 1 a
Which carbonate mineral reacts readily with cool dilute hydrochloric acid to produce visible bubbles of carbon dioxide gas? Many carbonate minerals.
Being simultaneously basic and acidic, water undergoes autoprotolysis, also called self-ionization: The equilibrium constant is H3O+ in these equations is gene
Q. Show Reduction to Metals? After removed of the gangue, i.e. impurities physically mixed with the metal elements, the concentrated ore becomes ready for the isolation of meta
Total number of unpaired electrons in an atom of atomic number 29 is: (1) 1 (2) 3 (3) 4 (4) 2 Ans: 1
Why boron is electron-deficient (a) Every atom has an octet; thus, this is not an electron-deficient compound. (b) The boron is electron-deficient because it has a sextet o
A sample of caco3 and mgco3 weighing 192 g is ignite to constant weight of 10 g. calculate sample composition.
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