Solved Chemistry MCQS
By using the fluted filter paper rate of filtration is
Having no effect
Decreased
Increased
Filtration is constant
Which reaction sequence would be best to prepare 3-chloro-aniline from benzene?
Nitration, reduction, chlorination
Nitration, reduction, acylation, chorination, hydrolysis
Nitration, Chlorination, reduction
Chlorination, nitration, reduction
Which of the following method is most appropriate for the manufacture of methane?
None of these
Liquification of natural gas
By reduction of CH2SL2
Wurtz reaction
The reagent which forms crystalline osazone derivation when treated with glucose is
Hydroxyl amine
Phenyl hydrazine
Benedict solution
Fehling solution
The main structure features of proteins is
All
An ether linkage
The peptide linkage
An ester linkage
In crystal structure of sodium chloride, the arrangement of CI–ions is
Fcc
Bcc
None of these
Both Fcc and bcc
Ammonia gas used directly as a fertilizer is injected into the soil at a depth of about
Three inches
Two inches
Six inches
Five inches
Saturated solution of NaCl on heating becomes
None
Unsaturated
Super saturated
Remains saturated
Which of the following compounds has the lowest anion to cation size ratio?
CsF
Csl
NaF
LiF
When excess of SnCl2is added to a solution of HgCl2, a white precipitate turning to grey is obtained. They grey colour is due to the formation of
Sn
Hg2Cl2
SnCl4
Hg