What is the smallest part of an element?, Molecule, Atom, Cell , Particle, Which of these is an element?, Water, Oxygen, Salt, Sugar, Which of these is a compound?, Iron, Carbon, Water, Oxygen, What is a mixture?, Two or more substances not joined together, One pure substance, Atoms joined chemically, Only one element, How can you separate salt from salt water?, By evaporation, By cutting it, By melting it, You cannot separate it.

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