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Select Lessons (14)
Acid-Base Equilibrium
Atomic Structure And Related Patterns In The Periodic Table
Bonding And Structure, And Intermolecular Forces
Chemical Equilibrium
D-Block Elements (Transition Elements)
DESCRIPTIVE INORGANIC CHEMISTRY: Group IV (14)
DESCRIPTIVE INORGANIC CHEMISTRY: Halogens (GROUP VII or 17)
DESCRIPTIVE INORGANIC CHEMISTRY: Modern Periodic Table, Periodicity And S-Block Elements
Functional Group Chemistry And Reaction Mechanism
ORGANIC CHEMISTRY: Fundamentals
Raoult’s Law And Phase Equilibria
Reaction Kinetics
Redox Equilibrium
The Mole Concept
5/55 MCQs for:
DESCRIPTIVE INORGANIC CHEMISTRY: Modern Periodic Table, Periodicity And S-Block Elements
The noble or rare gases (group VIII or O elements of the periodic table) have:
A stable singlet structure.
A stable octet structure.
A stable tetrahedral structure.
An unstable octet structure.
The number of shells in one atom of an element gives the … number to which the element belongs in the periodic table.
Period.
None is correct.
Group and period.
Group.
Permanent hardness in water is caused by:
Hydrogen carbonates of calcium and magnesium.
Nitrates of sodium and potassium.
Chlorides of magnesium and calcium.
Carbonates of calcium and magnesium.
The valency of group II elements is?
2.
3.
1.
0.
Which element reacts only with steam to form the corresponding oxide?
Calcium.
Magnesium.
Potassium.
Sodium.
