471. The alkyl halide “CH3Cl” is named as:
A) Methane
B) Ethane
C) Methyl chloride
D) Chloroform
472. The alkyl halide “CH3CH2Br” is named as:
A) Ethane
B) Ethyl bromide
C) Ethylene bromide
D) Bromoethane
473. The alkyl halide “CH3CH2CH2I” is named as:
A) Propane
B) Propyl iodide
C) Isopropyl iodide
D) Iodopropane
474. The alkyl halide “CH3CH(Cl)CH3” is named as:
A) 1-chloropropane
B) 2-chloropropane
C) 1-chlorobutane
D) 2-chlorobutane
475. Who discovered neutrons?
(A) John Dalton
(B) John Thomson
C) James Chadwick
(D) Ernest Rutherford
476. Who discovered protons?
(A) John Dalton
(B) John Thomson
C) Eugene Goldstein
(D) Ernest Rutherford
477. Who discovered electrons?
(A) John Dalton
B) John Thomson
(C) Eugene Goldstein
(D) None of the above
478. Who conducted the Alpha Scattering experiment?
(A) John Dalton
(B) Eugene Goldstein
(C) John Thomson
D) Ernest Rutherford
479. Ions with a negative charge and extra electrons are called?
A) Anions
(B) Cations
(C) Both A & B
(D) None of the above
480. Ions with fewer electrons and positive charge are called?
(A) Anions
B) Cations
(C) Both A & B
(D) None of the above
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