when we dessolve pellets of NaOH in water, we see that beaker gets hot . which type of reaction is there ?
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when sodium hydroxide (NaOH) dissolves in water, it separates into positively - charged sodium ions (cations) and negatively - charged hydroxide ions (anions). These ions move around in the water, free and independent of each other, though cations tend to be surrounded more closely by anions and vice versa.
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