A set of metals in order of their increasing chemical reactivity is given below : silver, copper, lead, iron, zinc, magnesium and sodium. (a) Which of the above metals is stored in kerosene ? (b)Which metals will react vigorously with cold water ? (c)Which gas will be liberated when metals react with cold water ? (d)Which of the metals will react with oxygen when heated ?
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a . sodium is stored in kerosene
b. sodium reacts vigorously with cold water
c. Hydrogen gas will be liberated
d. Magnesium will react with oxygen when heated
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