(A) Rusting of tin
(B) Rusting of iron
(C) Rusting of aluminium
(D) Chemical decay
Category: Chemistry Mcqs
Chemistry Mcqs for NTS, PPSC, FPSC, SPSC, KPPSC, AJKPSC, PMS, NAT, PTS, Educators, Lecturer and all other exams. Chemistry Mcqs portion will cover mcqs related to Acids, bases, PH,
atomics structure, electrochemistry, thermochemistry, periodic table, chemicals, atomic theory, chemical bonding, Transition metals, periodic table facts, compounds, properties of organic compounds, covalent bond,
Ionic bond and all other topics related to chemistry will be covered here.
Morality is the number of moles of solute dissolved in?
(A) 100 gram of solvent
(B) 1 dm3 of solution
(C) 1 dm3 of solvent
(D) 1 kg of solution
Concentration is the ratio of?
(A) Solute to solution
(B) Solute to solvent
(C) Solvent to solute
(D) Solvent to solution
In the evaporation process liquid molecules which leave the surface of the liquid have?
(A) Very high energy.
(B) Very low energy.
(C) No energy.
(D) Moderate energy.
Why ice floats on water?
(A) Water is denser than ice.
(B) Ice is denser than water.
(C) Ice molecules moves randomly.
(D) Water molecules moves randomly.
When an electronegative element combined with an electro positive element the type of bonding is called?
(A) Ionic
(B) Metallic
(C) Covalent
(D) Coordinate covalent
Identify wrong statement about ionization energy.
(A) It decreases in a period
(B) It decreases in a group
(C) It is measured in KJ/mol
(D) It is absorption of energy
The isotope c-12 is present in abundance of?
(A) 97.6%
(B) 96.9%
(C) 99.7%
(D) 98.9%