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

161. The location of transition elements is in between__________________? 

A. lanthanides & actinides
B. s and p block elements
C. chalcogens and halogens
D. d and f block elements

162. Compounds attracted by applied strong magnetic field are called__________________? 

A. diamagnetic
B. paramagnetic
C. good conductor
D. ferromagnetic

163. When light is exposed to transition element then electrons jump from lower orbitals to higher orbitals in______________________? 

A. orbitals of f-subshell
B. orbitals of d-subshell
C. orbitals of p-subshell
D. both A & B

164. When a compound of transition element is dissolved in a solution of salt then it produces____________________? 

A. simples ions
B. complex ions
C. double salts
D. strong anions

165. The species which donate two electron pairs in a coordination compound is called__________________?

A. ligand
B. mono-dentate ligand
C. poly-dentate ligand
D. bi-dentate ligand

166. The central atom along with ligands is called____________________? 

A. complex ion
B. coordination sphere
C. ligand
D. complex compound

167. In complex compounds the oxidation number is written in___________________? 

A. English
B. Greek
C. Roman numeral
D. Hebrew

168. When the central atom of coordination compound is sp3d2 hybridization the expected geometry will be___________________? 

A. tetrahedral
B. square planar
C. trigonal bipyramidal
D. octahedral

169. In the production of wrought iron Mg Si and P are removed in the form of___________________?

A. oxides
B. silicates
C. slag
D. carbonates

170. Any process of chemical decay of metals due to the action of surrounding medium is called__________________? 

A. activation
B. enameling
C. corrosion
D. coating

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