JSS 1 Business Studies (1st, 2nd & 3rd Term)

NEED FOR MONITORING AND CONTROL OF CHEMICALS

Meaning of chemicals – Chemicals are distinct compounds or substances which are prepared or purified artificially using different chemical reactions. E.g., baking soda, flavours of juice, medicine, food etc. GRADES OF CHEMICALS Reagent A.C.S. – these are used in a laboratory. R. – is used for chemical research. C.C. – is used in the requirements

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CORRECT SPACING AND PUNCTUATION MARKS

Usually, punctuation marks as used in sentences give meaning to sentences. Punctuation marks can be used to separate sentences, or to put an end to sentences. Punctuation marks include comma, full stop, colon, exclamation mark. Computer Symbols and Punctuation Marks .           Full stop or Period ,           Comma :           Colon ;           Semi colon ?          Question mark

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