Question

pellets of sodium hydrogen and anhydrous copper ii sulfate were put in separate petri -dishes and left in the open for 2 hours .what observation was made in each dish

Answer 1

Answer:

Explanation:

Sodium hydroxide pellets absorb water from the surrounding air so quickly that if left in the open, they will melt within minutes

Anhydrous Copper sulphate if left open in humid air then it will absorb moisture from the atmosphere and turn blue hydrous copper sulphate(CuSO4.5H2O).

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