Silicon and Its Compounds - Free MCQ Practice Test with solutions, JEE

The presence of dirt particles in between.

The formation of solid silicate in between by the reaction of SiO₂ of glass with NaOH.

The formation of Na₂CO₃ in between by the reaction of CO₂ of air and NaOH.

Glass contains a boron compound which forms a precipitate with the NaOH solution.

no oxygen of a tetrahedron is shared with another tetrahedron

one oxygen of a tetrahedron is shared with another tetrahedron

two oxygen of a tetrahedron are shared with another tetrahedron

three oxygen of a tetrahedron are shared with another tetrahedron

hydrofluosilicic acid

silica gel

silicic acid

calciumfluorosilicate

Water acts as an oxidising agent.

Water acts as a reducing agent.

Carbon acts as an oxidising agent.

There is no oxidation or reduction.

Zeolites

Ultramarines

Feldspars

All of the above

In (Si₃O₉)⁶⁻, tetrahedral SiO4 units share two oxygen atoms.

Trialkylchlorosilane on hydrolysis gives R₃SiOH

SiCl₄ undergoes hydrolysis to give H₄SiO₄.

(Si₃O₉)⁶− has cyclic structure.

Linear long chain silicone

Cyclic silicone

Cross linked silicone

None of these

Three dimensional silicates

Chain silicates

Cyclic silicates

Sheet silicates

X is a non-metal and belongs to the third period while Y is a metal and belongs to the fourth period.

One of two oxides has three-dimensional polymeric structure.

Both (a) and (b) are correct.

None of the above.

Bent, sp

Trigonal, sp²

Octahedral, d²sp³

Tetrahedral, sp³

(i) and (iv)

(iv) only

(ii) only

(iii) only

C,O and Si

C and Si

O and Si

C,N,O and Si

C, H and Si

C and Si

O and Si

H and Si

one terminal oxygen and three bridging oxygens

two terminal oxygens and two bridging oxygens

three terminal oxygens and one bridging oxygen

all the four oxygens as the bridging oxygen