Solved Chemistry MCQS
Which of the following is monoatomic?
Oxygen
Nitrogen.
Fluorine
Neon
Mild oxidation of glycerol with H2O2/FeSO4 gives
None
Glycerose
Dihydroxy acetone
Glyceraldehyde
If a salt bridge is removed electrode is made from which of the following?
CuSO4
Hg2Cl2
ZnCl2
HgCl2
Calcium cyanamide on treatment with steam under pressure gives NH3and
Calcium hydroxide
Calcium carbonate
Calcium oxide
Calcium bicarbonate
The molal elevation constant is the ratio of the elevation in boiling point to
Mole fraction of solute
Mojarity
Molality
Mole fraction of solvent
The symbol of the element whose atoms have the outer most electronic configuration 2s2sp3is
Li
Na
P
N
Aryl halides are less reactive towards nucleophilic substitution reactions as compared to alkyl halides due to
The formation of less stable carbonium ion
Larger carbon -halogen bond
The inductive effect
Resonance stabilization
Which of the following process is used to separate insoluble particles from liquids?
Seperation
Condensation
Filtration
Crystallization
As a fixing agent in photography, sodium thisoulphate is used for
Converting silver halides to metallic silver
Dissolving out unreacted silver bromide
Preventing overdeveloping and fogging.
Reducing solubility of AgBr
Fertililzer are made by
None of the above
Nature only
Artificial methods only
Both artificial and natural methods
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