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Sodium
Calcium
Iron
Potassium
Which of the properties of the elements is a whole number ?
Which of these acids is found in lemon and orange?
Which of these is an example of a homopolymer?
Which of these metals is found in liquid form?
Which of these methods can be used to prevent rancidity?
Which one among the following is called philosophers wool?
Which one among the following is the heaviest
Which one is not a pure form of carbon?
Which one is not metal
Which one is not the isotopes of hydrogen ?