Acids, Bases, Salts, Indicators and pH for SS 1
Acids produce hydrogen ions in water, while bases neutralise acids. Indicators change colour with pH, and salts form during neutralisation reactions.
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Royal Alikor is an educator with six years of classroom teaching and three years of elementary school leadership experience and is still teaching. He develops and reviews practical, curriculum-aligned learning materials for Nigerian schools and teachers.
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Acids produce hydrogen ions in water, while bases neutralise acids. Indicators change colour with pH, and salts form during neutralisation reactions.
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Water may contain dissolved minerals, particles and microbes. Sedimentation, filtration, boiling and suitable disinfection address different contaminants.
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Carbon occurs as diamond, graphite and other allotropes with distinct structures. It also forms countless compounds important in fuels and living matter.
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A chemistry-related business idea needs a clear customer need, safe processes and realistic costs. A business plan considers materials, markets and risks.
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Food provides energy, materials for growth and nutrients for health. Its functions include body building, protection and support of daily activities.
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Carbohydrates and fats supply energy, proteins support growth and repair, and vitamins and minerals regulate body functions. Deficiencies impair health.
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Nigerian dishes such as beans, yam, vegetables and fish supply different nutrients. Combining food groups improves the balance of everyday meals.
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Chemical industries turn raw materials into fuels, fertilisers, medicines and other products. Waste and emissions require careful environmental control.
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Chemistry investigates matter, its properties and changes. Laboratory practice includes measuring substances, observing reactions and following safety rules.
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Diseases may spread through contaminated food, water, air or infected animals. Recognising symptoms, hygiene and appropriate treatment help control infections.
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Microorganisms include bacteria, fungi and protists too small to see unaided. Some help make foods or recycle waste, while others cause disease.
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Scientific research involves a clear question, investigation, accurate records and conclusions. Teamwork and well-structured reports help communicate findings.
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