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a) Tap water conducts electricity where as distilled water does not conduct electricity because in distilled water it has no impurities that can pass electricity and tap water has some impurities that passes the electricity.
b) Dry hydrogen chloride gas does not turn blue litmus paper to red because the colour of litmus paper changes if the acid or base is containing water or moisture.
c) During summer season milkman adds a very small amount of baking soda in milk to make milk cool in summer and not to make it evaporate.
d) For dilution of acid,acid is added into water and not water in acid because it is very highly exothermic process.
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