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Question 25 An element A is soft and can be cut with a knife. This is very reactive to air and cannot be kept open in air. It reacts vigorously with water. Identify the element from the following: (a) Mg (b) Na (c) P (d) Ca |
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Answer» Question 25 An element A is soft and can be cut with a knife. This is very reactive to air and cannot be kept open in air. It reacts vigorously with water. Identify the element from the following: (a) Mg (b) Na (c) P (d) Ca |
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