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Why do fireflies glow at night...

Why do fireflies glow at night

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Inside the body of fireflies, a chemical reaction occurs which releases chemicals and these chemicals glow in darkness.
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ZEN PUBLICATION-CHEMICAL REACTIONS AND EQUATIONS-ZEN ADDITIONAL QUESTIONS SECTION (VERY - SHORT - ANSWER [VSA] TYPE QUESTIONS )
  1. What happens chemically when quicklime is added to water filled in a b...

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  2. Is burning of a candle wax a physical change or a chemical change ?

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  3. Why do fireflies glow at night

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  4. Name the type of reaction in which energy is abdorbed.

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  5. Grapes hanging on plant do not ferment but after being plucked from th...

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  6. The internal energy of the system increases when the following reactio...

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  7. Classify the following as exothermic and endothermic reactions. Phot...

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  8. Classify the following as exothermic and endothermic reactions. resp...

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  9. Write the type of chemical reaction in the following. reaction betwe...

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  10. Write the type of chemical reaction in the following. rusting of iro...

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  11. Which two gases are evolved when ferrous sulphate is heated ?

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  12. What is a redox reaction ?

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  13. Why do potato - chips manufactures fill the packest of chips with nitr...

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  14. Surface of metals loses their brightness when kept in air for a long t...

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  15. Give two wxamples from daily where redox reactions are taking place.

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  16. Which one is a chemical change - rusting or iron or melting of ice ?

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  17. Hydrogen being a highly inflammable gas oxygen being a supporter of co...

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  18. Write balanced chemical equation FeSO(4)(s)overset("heat")(to)Fe(2)O...

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  19. Write the chemical equation for reaction when lead nitrate and potassi...

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  20. AgNO(3)+NaCl to AgCldarr+NaNO(3) FeS+H(2)SO(4)toFeSO(4)+H(2)Suarr ...

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