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प्रश्न
Write a balanced chemical equation for the process of photosynthesis giving the physical states of all the substances involved and the conditions of the reaction.
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उत्तर
The balanced equation for the given reaction is:
\[\ce{6CO2_{(g)} + 6H2O_{(l)} ->[Sunlight][Chlorophyll] C6H12O6_{(aq)} + 6O2_{(g)}}\]
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संबंधित प्रश्न
Rewrite the following information in the form of a balanced chemical equation:
Magnesium burns in carbon dioxide to form magnesium oxide and carbon.
Give one example of a chemical reaction characterised by the formation of a precipitate.
State one characteristic of the chemical reaction which takes place when quicklime is treated with water
The chemical reaction between quicklime and water is characterised by:
(a) evolution of hydrogen gas
(b) formation of slaked lime precipitate
(c) change in temperature of mixture
(d) change in colour of the product
Write word equation for the following skeletal equation:
\[\ce{CO + O2 -> CO2}\]
Balance the following equation. Also name the product formed.
K2O + H2O → KOH
Balance the following equation:
Zn + KOH → K2ZnO2 + H2
Balance the following equation:
Pb3O4 → PbO + O2
Balance the following equation:
H2O + Cl2 → HCl + O2
Balance the following equation:
P + HNO3 → NO2 + H2O + H3PO4
\[\ce{MnO2 + 4HCl -> MnCl2 + 2H2O + Cl2}\]
0.02 moles of pure MnO2 is heated strongly with conc. HCl. Calculate moles of acid required.
\[\ce{MnO2 + 4HCl -> MnCl2 + 2H2O + Cl2}\]
0.02 moles of pure MnO2 is heated strongly with conc. HCl. Calculate the mass of acid required.
How is a flame test performed?
Write word equation for the following molecular equation:
\[\ce{H2 [g] + Cl2 [g] ->[sunlight] 2HCl}\]
Word equation:
State which form of energy is utilised in the above chemical reaction.
A chemical reaction is generally accompanied by certain external indications or characteristics. These include – change of – (a) colour (b) state (c) smell (d) evolution of gas (e) formation of precipitate (f) evolution or absorption of heat. With reference to change of colour – state the change in colour seen when the following are heated – lead [IV] oxide.
Balance the following simple equation:
Fe + Cl2 → FeCl3
Balance the following simple equation:
Fe + H2O ⇌ Fe3O4 + H2
Write a balanced equation for the following word equation:
Calcium hydroxide + Ammonium chloride → Calcium chloride + Water + Ammonia
Match the columns.
| Reactants | Products | Types of chemical reaction | ||
| 1. | MgH2 | → | Mg + H2 | Endothermic |
| 2. | 2H2S + SO2 | → | 3S + 2H2O | Oxidation |
| 3. | CaO + H2O | → | Ca(OH)2 + heat | Exothermic |
| Redox | ||||
A dilute ferrous sulphate solution is gradually added to the beaker containing acidified permanganate solution. The light purple colour of the solution fades and finally disappears. Which of the following is the correct explanation for the observation?
