Now NMDCAT preparation for chemistry is ongoing with MCQ-based conceptual learning. All chapters are available, and a few are in the pipeline. Follow the instruction below.
Online NMDCAT Chemistry Preparation Chapter 3
NMDCAT chapter 3 is categorized into three PMC chapters (Gases, Liquids and solids). After discussion, detailed answers will be available soon.
MCQ-1
An aqueous solution of NaCl shows conductivity due to
A. Free electrons
B. Translatory motion of ions
C. Loose packing
D. Free electrons and ions
Answer: B
MCQ- 2
In NaCl structure, the coordination number of each Cl‑ is
A. 8
B. 6
C. 12
D. 10
Answer: B
MCQ-3
Solid CO2 is an example of
A. Metallic solid
B. Molecular solid
C. Covalent solid
D. Ionic solid
Answer: B
MCQ-4
The structure of ice is just like
A. Graphite
B. Sugar
C. Tin
D. Diamond
Answer: D
MCQ-5
Which of the following affects the shape of the ionic crystal
A. Electrostatic force of attraction
B. Poor conductivity
C. Similar radius ratio
D. All of these
Answer: D
