19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
A particular solid is very hard and has a high melting point. In solid state, it is a non-conductor and its melt is a conductor of electricity. Classify the solid.
Which one of the following is a molecular crystal?
Glass is
The property of crystalline solid is not
Which one of the following forms a molecular solid when solidified?
Given, Column A Column B A. Ionic solid I. NaCl B. Metallic solid II. Fe C. Covalent solid III. C(graphite) D. Molecular solid IV. Dry ice
NaCl is an example of
Which of the following is an example of ionic crystal solid
Which of the following is an example of metallic crystal solid
Diamond is an example of
Which of the following is an example of covalent crystal solid
Particles of quartz are packed by
In graphite, carbon atoms are joined together due to
Solid CO2 is an example of
Which of the following is a molecular crystal
Among solids the highest melting point is established by
Mostly crystals show good cleavage because their atoms, ions or molecules are
A crystalline solid
Crystalline solid is
Amorphous solids are
Amorphous substances show (1) Short and long range order (2) Short range order (3) Long range order (4) Have no sharp M.P.
Which of the following is a pseudo solid
Which of the following is non-crystalline solid
Which is not a property of solids
The number of atoms per unit cell in primitive (sc), body-centered (bcc), face-centered (fcc) and end- centered (ecc) unit cell decreases as