10th Class Science Metals and Non-metals Question Bank 10th CBSE Science Metals and Non-metals

  • question_answer   Which of the following metals will melt at body temperature (37°C)? Gallium, magnesium, caesium, aluminium


                      Calcium reacts with water to form hydrogen gas. Although calcium is heavier than water, but due to the sticking of the  gas bubbles on calcium metal surface, it starts floating.

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