Solved papers for JEE Main & Advanced JEE Main Paper (Held On 10 April 2015)

done JEE Main Paper (Held On 10 April 2015) Total Questions - 1

• question_answer1) A sample of a hydrate of barium chloride weighing 61 g was heated until all the water of hydration is removed. The dried sample weighed 52 g. The formula of the hydrated salt is : (atomic mass, Ba = 137 amu, Cl=35.5 amu) JEE Main Online Paper (Held On 10 April 2015)
  A)
  \[BaC{{l}_{2}}.3{{H}_{2}}O\]
  done clear
  B)
  \[BaC{{l}_{2}}.2{{H}_{2}}O\]
  done clear
  C)
  \[BaC{{l}_{2}}.{{H}_{2}}O\]
  done clear
  D)
  \[BaC{{l}_{2}}.4{{H}_{2}}O\]
  done clear
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