Advertisements
Advertisements
प्रश्न
Which of the following is not an endothermic reaction?
विकल्प
\[\ce{CaCO3 -> CaO + CO2}\]
\[\ce{2H2O -> 2H2 + O2}\]
\[\ce{6CO2 + 6H2O -> C6H12O6 + 6O2}\]
\[\ce{C6H12O6 + 6O2 -> 6CO2 + 6H2O}\]
Advertisements
उत्तर
\[\ce{C6H12O6 + 6O2 -> 6CO2 + 6H2O}\]
Explanation:
This equation represents cellular respiration, a vital process where glucose breaks down in the presence of oxygen to release energy for our bodies. Because it releases energy rather than absorbing it, it is highly exothermic.
APPEARS IN
संबंधित प्रश्न
Write the balanced chemical equation for the following reaction.
\[\ce{Barium chloride + Potassium sulphate → Barium sulphate + Potassium chloride}\]
Complete and balance the following equation:
\[\ce{Ca(OH)2 + {..........} -> CaCO3 + H2O}\]
Balance the following chemical equation:
\[\ce{NH3 -> N2 + H2}\]
Balance the following chemical equation:
\[\ce{C + CO2 -> CO}\]
Convey the following information in the form of a balanced chemical equation:
“An aqueous solution of ferrous sulphate reacts with an aqueous solution of sodium hydroxide to form a precipitate of ferrous hydroxide and sodium sulphate remains in solution.”
A white precipitate will be formed if we add common salt solution to ______.
Write word equation for the following skeletal equation:
\[\ce{Na + O2 -> Na2O}\]
Write your observation for the following chemical reaction and name the product formed :
When dilute acetic acid is poured on baking soda.
Balance the following equation. Also name the product formed.
FeCI2 + CI2 → FeCI3
Complete the following equation:
CH4 + O2 —>
Balance the following equation:
Pb3O4 → PbO + O2
Balance the following equation:
Zn + HNO3 `→` Zn(NO3)2 + H2O + NO2
\[\ce{MnO2 + 4HCl -> MnCl2 + 2H2O + Cl2}\]
0.02 moles of pure MnO2 is heated strongly with conc. HCl. Calculate the mass of acid required.
Balance the following simple equation:
NO + O2 → NO2
Balance the following simple equation:
Fe2O3 + CO → Fe + CO2
Write a balanced equation for the following word equation:
Nitrogen dioxide + Water + Oxygen → Nitric acid
Give a balanced equation by partial equation method, [steps are given below].
The reaction of excess ammonia with chlorine – Ammonia as a reducing agent
- Ammonia first reacts with chlorine to give hydrogen chloride and nitrogen.
- Hydrogen chloride then further reacts with excess ammonia to give ammonium chloride.
Underline the compound in the equation given below, it is incorrectly balanced and write the correct balancing for the same.
C2H5OH + 3O2 → 2CO2 + 2H2O
Balance the given chemical reaction as per the instructions below.
\[\ce{NaOH + H2SO4 -> Na2SO4 + H2O}\]
Write names of reactants and products of chemical reaction.
When aqueous solutions of potassium iodide and lead nitrate are mixed an insoluble substance separates out. The chemical equation for the reaction involved is:
