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प्रश्न
Which among the following change is exothermic or endothermic in nature?
Dissolution of sodium hydroxide in water
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उत्तर
Exothermic
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संबंधित प्रश्न
Balance the following equation:
Na2O + H2O → NaOH
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NaCl + H2SO4 → Na2SO4 + HCl
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\[\ce{AgCl + NH4OH -> Ag(NH3)2Cl + H2O}\]
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\[\ce{Pb3O4 + HCl -> PbCl2 + H2O + Cl2}\]
Balance the following important equation:
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A teacher gave two test tubes to the students, one containing water and the other containing sodium hydroxide. She asked them to identify the test tube containing sodium hydroxide solution. Which one of the following can be used for identification?
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\[\ce{Cu + Conc{.} HNO3 ->}\]
Write the balanced equation for the following chemical reaction.
\[\ce{Sodium + Water -> Sodium hydroxide + Hydrogen}\]
