Advertisements
Advertisements
प्रश्न
Why do fire flies glow at night ?
उत्तर
Fire flies are associated with certain protein. In the presence of a enzyme, the protein undergoes aerial oxidation. The reaction is accompanied by emission of light. As a result, fire flies glow at night.
APPEARS IN
संबंधित प्रश्न
Write the balanced equation for the following chemical reaction.
\[\ce{Hydrogen + Chlorine -> Hydrogen chloride}\]
Write balanced chemical equations for the following word equation:
Magnesium + oxygen → Magnesium oxide
Balance the following equation. Also name the products formed.
`H_2O_2 → H_2O +O_2`
Write a balanced molecular equation for the following word equation:
\[\ce{Calcium + oxygen->Calcium oxide}\]
Write a balanced molecular equation for the following word equation:
\[\ce{Calcium + water->Calcium hydroxide + hydrogen}\]
Balance the following important equation:
NaAlO2 + H2O → NaOH + Al(OH)3
Balance the following important equation:
KMnO4 + HCl → KCl + MnCl2 + H2O + Cl2
Balance the following important equation:
HNO3 → H2O + NO2 + O2
Barium chloride on reacting with ammonium sulphate forms barium sulphate and ammonium chloride. Which of the following correctly represents the type of the reaction involved?
- Displacement reaction
- Precipitation reaction
- Combination reaction
- Double displacement reaction
Complete and balance the following equation:
\[\ce{C2H4Br2 +alcoholic KOH ->[\Delta]}\]