(A) Calcium
(B) Sodium
(C) Iron
(D) Magnesium
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.
Formation of water from hydrogen and oxygen is called which type of reaction?
(A) Redox chemical reaction
(B) Acid-Base chemical reaction
(C) Neutralization
(D) None of the above
Spontaneous chemical reaction takes place in?
(A) Electrolytic cell
(B) Galvanic cell
(C) Nelson cell
(D) Downs cell
Solution contains more water?
(A) 0.5 M
(B) 1 M
(C) 2 M
(D) 0.25 M
Triple covalent bond involves ___ electrons.
(A) 2
(B) 4
(C) 5
(D) 6
Long form of periodic table is based upon?
(A) Mendeleeve’s postulates
(B) Atomic mass
(C) Mass number
(D) Atomic number
Who discovered Neutron?
(A) Chadwick
(B) J.J. Thomson
(C) Rutherford
(D) None of the above
What is the most abundant element occuring in the ocean?
(A) Oxygen
(B) Hydrogen
(C) Nitrogen
(D) Silicon