Lec 1

Question 1

Enumerate the states of matter
(4 answers)

Answer 1

1. Solid
2. Liquid
3. Gas
4. Liquid crystal

Question 2

The general ideal gas law

Answer 2

PV = nRT

Question 3

Nitrous oxide and halothane are …………

Answer 3

Anesthetic gases

Question 4

Oxygen for therapy, nitrogen, CO2 are …………

Answer 4

Compressed gases

Question 5

Ethylene oxide is a ……………

Answer 5

Sterilization gas

Question 6

……….. show definite melting points, passing rather sharply from the solid to the liquid state

Answer 6

Crystalline solid

Question 7

The crystal form of sodium chloride is

Answer 7

Cubic

Question 8

The crystal form of urea

Answer 8

Tetragonal

Question 9

The crystal form of iodoform

Answer 9

Hexagonal

Question 10

The crystal form of iodine

Answer 10

Rhombic

Question 11

The crystal form of sucrose

Answer 11

Monoclinic

Question 12

The crystal form of triclinic

Answer 12

Boric acid

Question 13

The sodium chloride consists of

Answer 13

A cubic lattice of sodium ions interpenetrated by a lattice of chloride ions

Question 14

In diamond and graphite crystal

Answer 14

The lattice consists of atoms held together by covalent bond

Question 15

Solid CO2 , hydrogen chloride and naphthalene form

Answer 15

Crystals composed of molecules as the building units