CHEMISTRY

CHEMISTRY

NUTRITIONAL, SENSORY AND STABILITY STUDIES OF SUGAR-FREE COMPOSITE JAM ENRICHED WITH HONEY

CHAPTER ONE INTRODUCTION 1.1     Background of the Study Fruits are of great importance in human nutrition. However, due to their perishable nature and seasonal availability, they are generally processed into more stable forms such as jams, jellies, juices, pickles and many more products. Jam is a processed fruit product having an intermediate moisture content which …

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EFFECTS OF AVAILABILITY AND USE OF LABORATORIES ON STUDENTS PERFORMANCE IN SCIENCE SUBJECTS

CHAPTER ONE INTRODUCTION 1.1 Background to the Study Science had been of great importance internationally for sustainable and socio-economic development as well as for technological advancement of nations. Knowledge of science and technology is therefore a requirement in all countries and needed by all people globally due to numerous challenges that are facing them. These …

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AVAILABILITY OF LABORATORY FACILITIES IN CHEMISTRY DEPARTMENT IN SCHOOLS

ABSTRACT Chemistry students’ perceptions of the chemistry laboratory learning environment were investigated in an Indonesian University. An already existing instrument Chemistry Laboratory Environment Inventory (CLEI) questionnaire was translated into Bahasa Indonesia and administered to 410 university students in three different years of chemistry study. Data analyses supported the validity and reliability of the instrument when …

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PHYTOCHEMICAL ANALYSIS CONSTITUENT OF ABELMOSCHUS ESCULENTUS OF ETHYLE ACAELETE EXTRACTION

CHAPTER ONE 1.0 INTRODUCTION 1.1 BACKGROUND OF STUDY The presence of chemical constituents in plants is important for consuming as nutrition and treatment against several diseases. These phytochemicals are essentially classified into two groups and which are primary and secondary metabolites based on the utility in plant metabolism. The primary metabolites are included common Carbohydrates, …

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THE IMPACT OF TEACHER’S EFFECTIVENESS ON STUDENTS ATTITUDE TOWARDS CHEMISTRY IN SENIOR SECONDARY SCHOOLS IN NSIT UBIUM LOCAL GOVERNMENT AREA

CHAPTER ONE BACKGROUND OF THE STUDY Chemistry is the scientific study of the interaction of chemical substances that  are  constituted  of  atoms  or  the  subatomic particles: protons,  electrons  and neurons.  It  is  an  integral  part  of  the  science  curriculum  both  at  the  Senior Secondary School as well as the institution. At this level, it is …

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THE PROSPECTS OF PERFORMANCE MANAGEMENT IN THE NIGERIAN OIL INDUSTRY

CHAPTER ONE   INTRODUCTION 1.1     Background of the Study Performance Management – A Historical Perspective Performance Management is a shared process between managers and individuals, based on the principles of an agreed contract rather than top down task directives. It involves agreement on objectives, knowledge, skills and competency requirements to do the work and supported …

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LEVELS OF HEAVY METALS IN SOIL, WATER AND PLANTS AND VARIATIONS OF WATER QUALITY PARAMETERS AT ITU LOCAL GOVERNMENT AREA

CHAPTER ONE GENERAL INTRODUCTION 1.1 Introduction Nigeria is highly vulnerable to climatic changes among south Saharan countries. Due to this.Varieties of crops are grown all over the country, both annual and perennial. Food supply can be manifested in different sectors like agriculture, animal husbandry, water quality and quantity of food as well as food habits, …

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THE USE OF UTAZI LEAF EXTRACT AS A MEANS OF EXTENDING THE SHELF LIFE OF LOCALLY BREWED SORGHUM BEER

CHAPTER ONE INTRODUCTION: Beer is an alcoholic beverage made from cereal grains, usually barley, but also corn, sorghum, millet, rice, wheat, and oats. Beer is made using a process called fermentation, in which microscopic fungi called yeast consume sugars in the grain, converting them to alcohol and carbon dioxide gas (Michael,et al, 2004). Over 70 …

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A STUDY OF THE PHARMACOLOGICAL EFFECTS OF METHANOL EXTRACT OF RIPE AND UNRIPE PLANTAIN

CHAPTER ONE INTRODUCTION 1.1       Background to Study Natural products, such as plants extract, either as pure compounds or as standardized extracts, provide unlimited opportunities for new drug discoveries because of the unmatched availability of chemical diversity. According to the World Health Organization (WHO), more than 80% of the world’s population relies on traditional medicine for …

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PHYTOEXTRACTION OF SOME HEAVY METALS FROM SELECTED METAL DUMPSITES IN ZARIA, NIGERIA

CHAPTER ONE 1.0 INTRODUCTION The global problem concerning contamination of the environment as a consequence of human activities is on the increase. Contamination has resulted from industrial activities, such as mining and smelting of metalliferous ores, electroplating, gas exhaust, energy and fuel production, fertilizer and pesticide application, and generation of municipal wastes (Kabata Pendias and …

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