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Difference between methanol and ethanol
Methanol
Ethanol
(a) When CH3OH is heated on Cu coil it gives formalin like smell.
(a) It does not give formalin like smell.
(b) When CH3OH is heated with salicylic acid in H2SO4 (conc.) then methyl salicylate is created which has odour like winter green oil.
(b) No such odour is provided.
(c) It does not give haloform or iodoform test.
(c) It provides haloform test
write a short note on cyclic voltametry
Hydrogen
Nitric oxide becomes brown when released into the air
describe the steps necessary in preparing a standard solution of 1.0 molar NaOH
introduction
two containers are connected by a stopcock. gas A is at pressure 202kpa while gas B is at pressure 140kpa, what will be the resultant pressure when the stopcock is opened
Q. Detect the presence for sesame oil and linseed oil? To detect the presence for sesame oil, linseed oil, argemone oil, mineral oil and hydrocyanic acid. After undertaking
Q. Define Conjugate acid-base pair and buffer? Buffers are substances that resist changes in pH. To "balance pH" means to buffer. Weak acids and bases make good buffers.
Gold has a molar mass of 197g/mol. How many atoms are in the sample?Please give me procedure also. Ans) molecular wieght of gold is 197 g 1mole/g of molecule is occupies the
Carbon has maximum catenation ability. The self-linkage of the atoms of elements to make long chains is known as catenation.
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