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- Is burning of a candle wax a physical change or a chemical change ?
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- Name and state the law which is kept in mind when we balance a chemica...
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- Give an example of double displacement reaction (only reaction with co...
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- Balance the following chemical equation : NaOH+H(2)SO(4)toNa(2)SO(4)...
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- What are the conditions that promote corrosion ?
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- What do we mean when we say that a substance has gone rancid ?
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- Why do fire flies glow at night ?
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