Created on By buzzerkings


1 / 38

Hydrogen bond is formed between; 

2 / 38

In silicon dioxide:

3 / 38

Which of the following is not an example of a three-dimensional silicate?

4 / 38

Which of the following exists as covalent crystals in the solid state?

5 / 38

In diamond, each carbon atom is bonded to four other carbon atoms tetrahedrally. The number of carbon atoms per unit cell is:

6 / 38

How many unit cells are present in a cube-shaped ideal crystal of NaCl of mass 1g?

7 / 38

The empty space in this hcp unit cell is:

8 / 38

For trigonal crystal system, the relationship between parameters is:

9 / 38

An ionic compound has a unit cell consisting of A ions at the corners of a cube and B ions on the centres of the cube. The empirical formula for this compound would:

10 / 38

Each unit cell of NaCl consists of four chloride ions and:

11 / 38

Which property of water provides the cooling effect of sweating? 

12 / 38

When we say "water is a polar molecule," we' mean:

13 / 38

Which of the following describes a hydrogen bond?

14 / 38

The boiling point of CH4 is much lower than that of HF. This is because:

15 / 38

The vapor pressure of a liquid increases exponentially with increasing temperature chiefly because:

16 / 38

A solute is most likely to be highly soluble in a solvent if the solute is ___ and the solvent is ___

17 / 38

The concept of "like dissolves like" is illustrated by which of the following?

18 / 38

For a given substance, which of the following phase transitions should release the most energy:

19 / 38

An insoluble solid was dropped into a measuring cylinder containing 50 cm³ of water. What will be the effect on volume of water?

20 / 38

Lead and zine can be separated by distillation because they have different:

21 / 38

Which of the following method is most suitable for obtaining a pure, dry sample of NaCl from a mixture of NaCl and sand?

22 / 38

Iron acts as an electrical conductor due to:

23 / 38

When gaseous ions are allowed to form a crystal,energy:

24 / 38

The nature of bond in diamonds is:

25 / 38

The radius of Na+ is 95 pm and that of Cl- is 181pm. The coordination number of Na+ is:

26 / 38

In a metallic crystal: 

27 / 38

If the pressure on a NaCl structure is increased, then its coordination number will:

28 / 38

The three dimensional graph of lattice points which sets the pattern for the whole lattice is called:

29 / 38

Crystalline solids can be identified easily from their:

30 / 38

A malleable solid is one which can be:

31 / 38

Which type of solid is dry ice (solid carbon dioxide)?

32 / 38

How many atoms are in body-centered cubic unit cell?

33 / 38

What is the coordination number (the number of atoms each atom touches) in a face-centered cubic unit cell?

34 / 38

Which type of solids here are generally good conductors of electricity?

35 / 38

Which of the following is a molecular solid:

36 / 38

Which of the following is not a characteristic of amorphous solids?

37 / 38

Which of the following is not a feature of solids? 

38 / 38

Graphite and diamond are allotropes of carbon. Diamond is non-conductor whereas graphite is a good conductor because:

Your score is

The average score is 0%


Leave a Comment

Your email address will not be published. Required fields are marked *