A. iron
B. copper
C. aluminium
D. zinc
A. Cu
B. Cr
C. Ni
D. A1
Which of the following does not give Borax bead test ? Read More »
Chemistry Mcqs, Group III A and IVA Elements A. Tincal
B. Boric acid
C. Calcium carbonate
D. Colemanite
Substance which is found in dried up lakes of Tibet and California is_______________? Read More »
Chemistry Mcqs, Group III A and IVA Elements A. Soil porocity
B. Proper growth of plants
C. Alkalinity of soil
D. All
Boron in soil has been considered micronutrient for_________________? Read More »
Chemistry Mcqs, Group III A and IVA Elements A. H2SnO3
B. H2SiO3
C. H3AsO4
D. H3SbO4
Which of the following is metasilicic acid ? Read More »
Chemistry Mcqs, Group III A and IVA Elements A. Pb2O
B. Pb3O4
C. PbO2
D. All of the above
Which of the following will decompose to produce litharge_________________? Read More »
Chemistry Mcqs, Group III A and IVA Elements A. decrease
B. increase
C. remains constant
D. first decreases then increases
A. metal borate
B. metal meta borate
C. metal boride
D. metal silicate
A. it has small size
B. it has high nuclear charge
C. it forms molecular addition compounds
D. all of the above
A. Ch3
B. OH
C. OCH3
D. O2
Silicon differ from silica by a group of__________________? Read More »
Chemistry Mcqs, Group III A and IVA Elements