UNIT 1: Introduction (Density,SV,SG)

Question 1

Branch of chemistry that deals with the physical and chemical properties and with the laws and properties of physical and chemical changes.

Answer 1

Physical Chemistry

Question 2

Applications of the principles of physical chemistry in the practice of pharmacy.

Answer 2

Physical Pharmacy

Question 3

It is the study of physico-chemical properties of a drug used in formulations.

Answer 3

Physical Pharmacy

Question 4

Give the 3 Fundamental Dimensions or units.

Answer 4

CGS system
System International or SI unit
Reference Standards

Question 5

A fundamental unit reacting each measurable quantity to some natural or artificial constant in the universe

Answer 5

Reference Standards

Question 6

A mathematical operation, written as a”, involving two numbers, the base a and the exponent (or index or power) n.

Answer 6

Rules of exponent

Question 7

When 10 is used as base, the log is known as the

Answer 7

Common or Briggsian log

Question 8

Common and Brigssian log is by

Answer 8

Henry Briggs

Question 9

The number 2.71828 (designated as e) used as the

Answer 9

Base for natural or Napieran log

Question 10

Base for natural of Napleran log is by

Answer 10

John Napier

Question 11

Expressed as the weight of the body, intrinsic property of the body that never changes.

Answer 11

Mass

Question 12

The gravitational force acting on a given body.

Answer 12

Weight

Question 13

Used in weighing

Answer 13

Balance

Question 14

Standard masses are known as

Answer 14

Weights

Question 15

Used for weighing loads from 120mg to 120g

Answer 15

Class A

Question 16

Weighs loads of more than 648mg

Answer 16

Class B

Question 17

Any influence that causes an object to undergo a certain change, either concerning its movement or direction

Answer 17

Force

Question 18

The amount of force acting per unit area; given in atm, cm, or mmHg

Answer 18

Pressure

Question 19

It is defined as the condition of a body that gives it the capacity to do work

Answer 19

Energy

Question 20

Energy classified as

Answer 20

Kinetic energy and Potential energy

Question 21

This are equivalent forms of energy and are interchangeable in certain circumstances

Answer 21

Heat and work

Question 22

The thermal unit of energy is

Answer 22

Gram-calorie (small calorie)

Question 23

A physical property of matter that quantitatively expresses the common notions of hot and cold

Answer 23

Temperature

Question 24

Celsius is by

Answer 24

Anders Celsius

Question 25

Fahrenheit is by

Answer 25

Daniel Gabriel Fahrenheit

Question 26

Kelvin is by

Answer 26

Lord Willian Thompson Kelvin

Question 27

Rankine is by

Answer 27

William John Macquorn Rankine

Question 28

How to convert into Kelvin?

Answer 28

°C + 273.15

Question 29

How to convert into Rankine?

Answer 29

°F + 459.67

Question 30

The measure of distance.

Answer 30

Length

Question 31

Standard meter was first measured with an interoferometer by

Answer 31

Albert Michelson

Question 32

BIPM stands for

Answer 32

Bureau International des Pois et Measures

Question 33

Common units of wavelength

Answer 33

yards, inches, hectare, feet

Question 34

Microscopic range of wavelengths

Answer 34

micrometer, micron, nanometer, Angstrom

Question 35

Quantity of three-dimensional spaces enclosed by a boundary

Answer 35

Volume

Question 36

Originally defined in terms of liter

Answer 36

Cubic meter

Question 37

Defined in a qualitative manner as the measure of the relative heaviness of objects with a constant volume

Answer 37

Density

Question 38

3 types of density

Answer 38

Absolute Apparent Relative

Question 39

Mass of an object determined in a vacuum at a specified temperature to the volume of the object at the same temperature

Answer 39

Absolute Density

Question 40

Mass of an object determined in air at a specified temperature to the volume of the object at the same temperature.

Answer 40

Apparent Density

Question 41

Indicates the mass of one mL of a standard substance such as water at 4°C

Answer 41

Relative Density

Question 42

The ratio of the density (mass of a unit volume) of a substance to the density of a given reference material.

Answer 42

Specific Gravity

Question 43

Types of Specific Gravity

Answer 43

Absolute Apparent

Question 44

Ratio of the mass of a substance to the mass of equal völume of water taken as standard

Answer 44

Absolute specific gravity

Question 45

Ratio of the mass of an object in air to the mass of equal volume of water taken as standard at the same temperature.

Answer 45

Apparent specific gravity