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Number of metals out of the following is...

Number of metals out of the following is _________ .
pencil lead, aluminium foil, silver coin, coal piece, iron nail, sulphur

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The correct Answer is:
To determine the number of metals from the given list, we will analyze each item one by one: 1. **Pencil Lead**: - Pencil lead is primarily made of graphite, which is a form of carbon and is not a metal. - **Conclusion**: Not a metal. 2. **Aluminium Foil**: - Aluminium foil is made from aluminium, which is a metal. - **Conclusion**: Is a metal. 3. **Silver Coin**: - A silver coin is made of silver, which is also a metal. - **Conclusion**: Is a metal. 4. **Coal Piece**: - Coal is primarily composed of carbon and is classified as a non-metal. - **Conclusion**: Not a metal. 5. **Iron Nail**: - An iron nail is made of iron, which is a metal. - **Conclusion**: Is a metal. 6. **Sulphur**: - Sulphur is a non-metal. - **Conclusion**: Not a metal. Now, let's summarize the findings: - Metals identified: Aluminium foil, Silver coin, Iron nail. - Total number of metals: 3. Thus, the answer to the question is **3**.
To determine the number of metals from the given list, we will analyze each item one by one: 1. **Pencil Lead**: - Pencil lead is primarily made of graphite, which is a form of carbon and is not a metal. - **Conclusion**: Not a metal. 2. **Aluminium Foil**: - Aluminium foil is made from aluminium, which is a metal. ...
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