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

211.Which of the following can form a chealate______________________?

A. ammine
B. oxalato
C. carbonyl
D. cyano

212. The compound or complex ion which has a ring in its structure__________________?

A. polydentate ligand
B. chelate
C. monodentate ligand
D. hydrate

213. Geometry of the complex compounds usually depends upon __________________? 

A. type of ligands
B. types of hybridization in the elements of ligands
C. hybridization of central metal
D. All of above

214. In pig iron the concentration of C-atom is ___________________? 

A. 0.12 — 0.25%
B. 2.5 — 4.5%
C. 2.0 — 4.0%
D. 0.25 — 2.5%

215. With impurities like P and S the open hearth furnace is lined with ? 

A. SiO2
B. Fe2O3
C. FeO
D. CaO MgO

216. Which is sold as fertilizer ___________________?
A. CaSiO3

B. Na2SiO3
C. Ca3(PO4)2
D. MnSiO3
 
217. When an active metal like Al comes in contact with less active element like Cu then it produces__________________?

A. dry cell
B. galvanic cell
C. electrolytic cell
D. A and B

218. Which of the following is typical transition metal ? 

A. Sc
B. Y
C. Cd
D. Co

219. K2 (Cu(CN)4) which one is correct___________________?

A. Potassium tetra cyano cupperate
B. Co-ordination number is 2
C. Ligand is positively charged
D. Central atom is present in avionic sphere

220. Polymers described as large molecules built up from small repeating units called________________? 

A. Biopolymers
B. Dimers
C. Monomers
D. metamers

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