Basic Chemistry MCQs

GURU MCQs provides MCQs of Chemistry from Basic to Advance, so that you can prepare accordingly. MCQs of Chemistry section covers important topics of chemistry. Most repeated Chemistry MCQs frequently encountered in Inspector, ASI, Sub-inspector, Constable, FPSC, PPSC, ETEA, FIA, Police, Army, Navy, Airforce, IB, MOFA, ASF, LHC, Educators, and various other competitive exams, as well as government and private job assessments. Chemistry most repeated MCQs include Basic chemistry MCQs, Chemical Bond MCQs, Gases MCQs, Liquids and Solids MCQs, Hydrocarbons MCQs, Polymerization MCQs, Rates of Reactions MCQs, Transition Elements MCQs, Organic Chemistry MCQs, Electrons in Atoms MCQs, Moles and Equations MCQs, et

191. List of elements based on hydrogen scale is called________________? 

A. periodic table
B. groups
C. periods
D. electrochemical series

192. In galvanic cell Zn acts as an anode so its value of standard reduction potential in comparison to coupled electrode would be________________?

A. greater
B. lesser
C. sum of reduction and oxidation potentials
D. none

193. Greater value of standard reduction potential smaller will be tendency______________? 

A. to form positive ions
B. to form negative ions
C. gain electrons
D. all are possible

194. Lead accumulators are_______________? 

A. secondary cell
B. primary cell
C. voltaic cell
D. both A & C

195. Capacity of one lead accumulator cell is___________________? 

A. 1.5 volts
B. 2 volts
C. 3 volts
D. 1 volts

196. The strength of solution of an element whose electrode potential is to be measured is________________? 

A. 2M
B. 1N
C. 1m
D. 1M

197. Voltaic cell is a_________________? 

A. irreversible cell
B. reversible cell
C. alkaline cell
D. all of the above

198. Percentage of sulfuric acid in lead accumulator is__________________?

A. 40%
B. 25%
C. 30%
D. 50%

199. The half cells are interconnected through________________? 

A. wire
B. salt bridge
C. electric circuit
D. no connection exists

200. E0red of an element cab be calculated by comparing it with _____________________? 

A. New electrode of same element
B. SHE
C. 1M solution of ions of respective element
D. 2M solution of HCI

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