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Chemistry - 9 Chapter - 5
Chemical Bonding
Test - 8
1.
Ionic compounds are insoluble in ___________ like Patrol and kerosene oil?
a) Aqueous solvents
b) Non-aqueous solvents
2.
What is meant by aqueous solution?
a) A solution Consisting mostly of water
b) A solution not containing any water
3.
In an aqueous solution ionic compounds exist as freely moving ions and thus?
a) Conduct electricity
b) Do not conduct electricity
4.
Ions of ionic compounds are free in molten state?
a) False
b) True
5.
Ionic compounds have very low melting and boiling points?
a) False
b) True
6.
Define a crystal?
a) Crystal is a solid square shaped pattern of atoms, molecules, or ions.
b) Crystal is a solid geometrically shaped pattern of atoms, molecules, or ions.
7.
Ionic compound in solid state, form crystals such as sodium chloride?
a) True
b) False
8.
During formation of an ionic bond, the atoms lower their energy by?
a) Becoms an ion
b) Moving electron from inner to outer shell become an ion
c) Transference of electrons
9.
In ionic bond by transference of electron, atoms acquire the status of_____?
a) Ionic bond
b) Covalent bond
c) Nearest noble gas
10.
When the shared pair of electrons is provided by one of the bonded atoms, a coordinate covalent bond is formed.
a) False
b) True
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