Question

Which of the following is non – crystalline solid?

Solution

Correct option is

Glass

Glass is an amorphous solid.

SIMILAR QUESTIONS

Q1

An alloy of Cu, Ag and Au is found to have Cu forming the simple cubic closed packed lattice. If the Ag atoms occupy the face centres and Au is present at the body centre, the formula of the alloy will be

Q2

If the radius ratio is in the range of 0.414 – 0.732, then the coordination number will be

Q3

Quartz is a crystalline variety of

Q4

 

X – ray analysis shows that the unit cell length in NaCl is 562.8 pm. Calculate the density you would expect on this basis,

NA = 6.023 × 1023 mol-1.

Q5

If the distance between Na+ and Cl- ions in NaCl crystal is ‘a’ pm what is the length of the cell edge?

Q6

A crystalline solid

Q7

The three states of matter are solid, liquid and gas. Which of the following statement is/are true about them?

Q8

A compound is formed by elements A and B. this crystallizes in the cubic structure when atoms A are at the corners of the cube and atoms B are at the centre of the body. The simplest formula of the compound is

Q9

Under which category iodine crystals are placed among the following?

Q10

In face centred cubic unit cell edge length is