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When you explore Science, Chapter “Chemical Effects of Electric Current”, NCERT, you begin to understand why touching electrical appliances with wet hands is dangerous. You notice that some liquids conduct electricity while others do not. You reflect on how tap water conducts electricity due to dissolved salts, while distilled water does not. This learning helps you connect safety with scientific understanding.
As you read closely, you strengthen your vocabulary by learning terms like electrode, conductor, poor conductor, electrolysis and electroplating. You observe how lemon juice, vinegar and salt solutions allow electric current to pass. You connect how acids, bases and salts in solution make liquids conducting. This builds clarity in understanding conductivity beyond solid metals.
When you examine chemical effects, you discover that electric current can cause chemical changes. You observe gas bubbles forming on electrodes and colour changes in solutions. You think about how copper sulphate solution deposits copper on one electrode. You evaluate how electric current can break compounds into simpler substances. This strengthens your analytical and experimental thinking.
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G8
Science
Thinking Skills
Observation Skill
Cognitive skill