Gujarat BoardEnglish MediumSTD 8ScienceMaterials : Metals and Non-Metals2 Marks
Question
Name two metals which are soft and can be easily cut with a knife.
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Answer
The two metals which are soft and easily cut with a knife are Sodium and potassium. The freshly cut surface of these metals is shiny but it tarnishes quickly on contact with air. This is because these metals react with oxygen and water and becomes dull grey in colour.
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