(A) Convex cathode
(B) Concave cathode
(C) Straight cathode
(D) All of the above
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.
Mass of electron is __ times less than mass of proton.
(A) 1837
(B) 1838
(C) 1836
(D) 1839
e/m for positive rays is __ e/m for negative ray.
(A) Smaller than
(B) Larger than
(C) Equal to
(D) None of the above
What is the name of scientist who named cathode rays as electrons?
(A) J.Perrin
(B) Stonely
(C) J.J.Thomson
(D) Rutherford
What is the name of scientist who named anode rays as proton?
(A) Stonely
(B) Thomos
(C) J.Perrin
(D) Rutherford
Positive rays produce flashes on?
(A) Gold Plate
(B) Platinium Plate
(C) Zinc Sulphide Plate
(D) Silver Plate
Free neutron decays into?
(A) Proton and Neutrino
(B) Electron and Neutrino
(C) Electron, Proton and Neutrino
(D) None of the above
Which effect cathode rays have?
(A) Catalysing
(B) Oxidizing
(C) Reducing
(D) Hydrolysing