Answer:
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Answer:
The reactants are the first two before the arrow and the products are the last two after the arrow, it is not balanced it would look like this if it was balanced:
2Na+MgF2–>2NaF+2Mg
Answer:
a) In the presence of light silver nitrate decompose to form silver. hence to prevent the decomposition it is kept in dark coloured bottles.
b) Molybdenum is used in the manufacture of ammonium because molybdenum acts as a promoter which increases the efficiency of the catalyst Iron, resulting in better yield of ammonia.
c) When an iron nail immersed in the solution of copper sulphate than iron displaces copper from the solution of copper sulphate because iron is more reactive than copper. Therefore copper sulphate solution colour changes from blue to pale green.
Answer:
if the density is higher than water than the object will sink
Explanation:
