What do you observe when Blue litmus solution is added to water?
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There is no change in colour of blue litmus solution when added to water as pure water is neutral.
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What do you observe when Blue vitriol is heated?
What do you observe when Washing soda is exposed to air?
What is metal activity series?
Give balanced chemical equations for the reaction of water with:
(a) Sodium
(b) Iron
(c) Carbon dioxide
(d) Sodium oxide