<h1><strong>THE NEED FOR MONITORING AND CONTROL OF CHEMICALS</strong></h1> CONTENT <ol> <li>Meaning of Chemicals</li> <li>Chemicals Suitable for Use and Not Suitable for Use</li> <li>Need for Monitoring and Controlling Food, Drugs, and Chemicals</li> <li>Ways of Controlling Chemicals</li> <li>Effects of Lack of Monitoring of Chemicals</li> <li>Misuse and Improper Distribution of Chemicals</li> </ol> <br> <h2><strong>Meaning of Chemicals</strong></h2> Chemicals are compounds or substances that are artificially prepared or purified. Chemicals are substances used in chemistry or produced by a chemical reaction or process. Chemicals can be solid, liquid or gas. Examples are ice, gold, petrol, water, salt, cooking gas etc. They can be grouped into suitable and unsuitable chemicals. <h2><strong>Chemicals Suitable for Use and Not Suitable for Use</strong></h2> <h3><strong>Suitable Chemicals</strong></h3> A chemical is considered to be suitable when its use does not bring any bad (or negative) effect on health or pose danger to lives and properties. Examples are flavourings, spices and preservatives for foods. <h3><strong>Unsuitable Chemicals</strong></h3> A chemical is said to be unsuitable when its use leads to adverse effects on lives, property and environment. Examples are caustic acids, ammonia, cyanide, etc.

<h1><strong>INTRODUCTION TO BOOK-KEEPING</strong></h1> CONTENT <ol> <li>Meaning of Book-keeping</li> <li>Importance of Book-keeping and Parties Interested in Book-keeping</li> <li>Essential Qualities of a Book-keeper</li> <li>Common Book-keeping Practices</li> </ol> <br> <h2><strong>Meaning of Book-keeping</strong></h2> Book-keeping may be defined as the art of recording business transactions in a systematic manner so that the books of account will reveal at any time the financial position of the business to the owner and other stakeholders in the business <h2><strong>Importance of Book-keeping</strong></h2> Every business organization keeps daily records of their financial transactions. Therefore, the importance of bookkeeping becomes necessary for the following reasons: <ol> <li>It is for easy reference of business financial records.</li> <li>It shows an accurate standing position of business in relation to its customers i.e. what is owed and what is owed by the firm</li> <li>It reveals profits and losses position to the company through trading, profit and loss account.</li> <li>It provides information to members of the public who are interested in the business through the balance sheet.</li> <li>Auditors use the books to issue their audit reports.</li> <li>The records kept help in management decision-making.</li> <li>The records project the image of the business to the public.</li> <li>It is a means by which finances of a business can be controlled.</li> </ol>

<h1><strong>SOURCE DOCUMENTS</strong></h1> CONTENT <ol> <li>Meaning of Source Document</li> <li>Importance of Source Documents</li> <li>Types of Source Documents</li> </ol> <br> <h2><strong>Meaning of Source Document</strong></h2> Source documents may be defined as original documents on which monetary transactions are recorded, which provide necessary information for the preparation of books of original entry. It can also be defined as original documents on which information is recorded about business transactions. Transactions are the major feature of any business. The business transactions take place when goods and services are transferred from one person to another. There are two types of transaction namely cash and credit transaction. Cash transaction means that money is paid immediately the transaction occurs. Credit transaction means that payment for what is bought or sold is made at a later date. <h2><strong>Importance of Source Documents</strong></h2> The following are the importance of source documents: