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प्रश्न
Give a balanced equation for the following conversion:
Sulphur dioxide to sulphurous acid using a neutral liquid.
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उत्तर
\[\ce{\underset{\text{Sulphur dioxide}}{SO2} +\underset{\text{Neutral liquid}}{H2O} ->\underset{\text{Sulphurous acid}}{H2SO3}}\]
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संबंधित प्रश्न
Why is water essential for life?
Give one word for the following statement :
The change of states of water from one form to another .
Explain how the peculiar variation of density of water with temperature can cause water— pipes to burst in very cold places.
Answer the following question:
Why is acid added to water before electrolysis ?
How do fishes and aquatic animals survive when the pond gets covered with thick ice?
Explain why:
Fused CaCl2 or conc. H2SO4 is used in a desiccator.
Select the correct answer of the following statement:
A solution which can pass through a filter paper but not through a semipermeable membrane.
Complete the statement by filling the blank with the correct word from the option.
The ratio of hydrogen & oxygen in water is ____.
Match the terms in List I with the correct answers in List II.
| List I | List II |
| 1. Solubility in a given solvent decreases with an increase in temperature. | A: Na2SO4.10H2O |
| 2. A white efflorescent crystal | B: NaOH |
| 3. A hygroscopic dehydrating agent | C: Ca(HCO3)2 |
| 4. A deliquescent alkali | D: conc. H2SO4 |
| 5. A substance present in temporary hard water | E: CaSO4 |
________ of water is in oceans and seas.
