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प्रश्न
Substances do not show their acidic properties without ______.
रिकाम्या जागा भरा
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उत्तर
Substances do not show their acidic properties without water.
Explanation:
Acids must dissolve in water to dissociate and release hydrogen ions (H+), which are responsible for acidic behaviour. In the absence of water, dry acids cannot separate into these active ions. Without free-moving H+ ions, the substance cannot conduct electricity, change the colour of litmus paper, or react with metals.
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