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Worksheetsix chem 26-08 wednesday
Total questions: 10
Worksheet time: 5mins
Some examples of solids which sublime are________________
naphthalene and anthracene.
ammonium chloride
camphor.
all of these
This _________________method is used for the separation of components of a mixture containing two miscible liquids that boil without decomposition and have sufficient difference in their boiling points
distillation.
fractional distillation.
To separate a mixture of two or more miscible liquids for which the difference in boiling points is less than 25 K, ______________________________
distillation
fractional distillation
The apparatus is similar to that for simple _________________, except that a fractionating column is fitted in between the distillation flask and the condenser.
complex distillation,
simple distillation,
A _________________ column is a tube packed with glass beads.
complex fractionating
simple fractionating
Air is a _____________________ and can be separated into its components by fractional distillation.
heterogeneous mixture
homogeneous mixture
Formula of Ammonium Chloride is_______________
AlCl3
NH4Cl
NH3Cl
Al
Formula of copper is____________
Cu
co
cl2
cl3
Formula of ammonia is?
NH3
NH4
NH2
NH5
The Formula of sulphuric acid______________
H2SO4
HCL
H2O
All of these
