Question

Find the odd one out and explain your choice:
a.Mud in water, ink, blood, smoke (Hint: colloids)

b.Quicklime, iron chloride, anhydrous calcium chloride, phosphorus pentoxide (Hint: drying agents)

c.Potassium, sodium, calcium, carbon (Hint: Metal activity series)

d.Neutron, proton, radical, electron (Hint: sub-atomic particles)

e.Protium, deuterium, tritium, carbon-14 (Hint: Isotopes)

Answer 1

Answer:

a.Mud in water

b.Quick lime

c.carbon

d.radical

e.carbon-14