4. Which of these metals is a pure element? Brass Bronze Silver Steel 5. C is the correct chemical symbol for ....... Calcium Carbon Chlorine Cobalt 6. Which of these substances is an element? Air Fire Oxygen Water

2 answers
Question:

4. Which of these metals is a pure element? Brass Bronze Silver Steel 5. C is the correct chemical symbol for ....... Calcium Carbon Chlorine Cobalt 6. Which of these substances is an element? Air Fire Oxygen Water

Answers

Answer:4) Silver (Rest are alloys)5) Carbon (It stands for C)6) Oxygen (Rest of them are either compounds or mixtures)

Answer:4) Silver5) Carbon6) Oxygen

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