Everyday Science MCQs cover topics such as Chemistry MCQs. Chemistry MCQs for entry test with answers pdf. Chemistry MCQs with answers pdf. Chemistry MCQs class 9, Class 10, Class 11, Class 12. Types of Chemistry include Organic Chemistry, Inorganic Chemistry, Physical Chemistry, Analytical Chemistry, Biochemistry, Environmental Chemistry, and Industrial Chemistry. We have provided Chemistry questions with answers and explanations. Everyday General Science Mcqs
Which one is a pure carbon ?
A. Coke
B. Coal Tar
C. Coal gas
D. None of themthere are many pure forms of carbon in earth, but Diamond is the purest form of carbon. Other pure forms are graphite, fullerene and charcoal.
Octane rating of Gasoline can be increased by ______ ?
A. Cracking
B. Reforming
C. Refining
D. None of themA process in which large molecules are broken up into into smaller molecules is called as ________ ?
A. Refining
B. Isomerization
C. Cracking
D. ReformingQuality of petrol is improved by _____ ?
A. Refining
B. Hydration
C. Cracking
D. ReformingAldehydes and ketones both, show the type of Isomerism is ______ ?
A. Functional Group Isomerism
B. Position Isomerism
C. chain Isomerism
D. MetamerismAldehydes and ketones are functional isomers due to the difference in their functional groups. Ketones have R−CO−R and aldehydes have R−CHO.
Z number for chlorine is _____ ?
A. 17
B. 21
C. 35.5
D. 15The only non metal exists in liquid state is _______ ?
A. Phosphorus
B. Iodine
C. Bromine
D. MercuryChemical symbol for silver is ______ ?
A. Ag
B. At
C. Au
D. SvIn water molecule, Hydrogen & water are held together by ____ bond .
A. Covalent
B. Dating
C. Ionic
D. HydrogenOne Water molecule can form maximum ____ hydrogen bonds .
A. 2
B. 4
C. 3
D. 6