Explore topic-wise MCQs in Chemistry.

This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry knowledge and support exam preparation. Choose a topic below to get started.

1.

Sulfur exists in two polymorphic forms ____________ and ______________

A. rhombic and monoclinic
B. rhombic and triclinic
C. hexagonal and triclinic
D. hexagonal and monoclinic
Answer» B. rhombic and triclinic
Discussion
2.

Which of the following statements is true for an amorphous solid?

A. Long range order is present
B. Short range order is present
C. There is no orderly arrangement
D. Complete order is present at lower temperatures
Answer» C. There is no orderly arrangement
Discussion
3.

_________ is the basic repeated structural unit of a crystalline solid.

A. Monomer
B. Molecule
C. Unit cell
D. Atom
Answer» D. Atom
Discussion
4.

Which of the following describes a general solid?

A. Compressible
B. Incompressible
C. Fluid
D. Semi-compressible
Answer» C. Fluid
Discussion
5.

Which type of solid structure melts at a definite, sharp melting point?

A. All types of solids
B. No type of solid
C. Amorphous solids
D. Crystalline solids
Answer» E.
Discussion
6.

Amorphous solids are actually supercooled liquids.

A. True
B. False
Answer» B. False
Discussion
7.

When a single substance can crystallize in two or more forms under different conditions provided, it is called as _________

A. Polymorphous
B. Isomorphous
C. Semimorphous
D. Multimorphous
Answer» B. Isomorphous
Discussion
8.

Which of the following can be used to describe a crystalline solid?

A. Heterogeneous, anisotropic
B. Homogeneous, anisotropic
C. Heterogeneous, isotropic
D. Homogeneous, isotropic
Answer» C. Heterogeneous, isotropic
Discussion
9.

Solid-state is denser than the liquid and gaseous states of the same substance. Which of the following is an exception to this rule?

A. Mercury
B. Carbon dioxide (dry ice)
C. Ice
D. NaCl
Answer» D. NaCl
Discussion