Which one of the following pairs do not impart colour to the flame?

1.	Which one of the following pairs do not impart colour to the flame?
Answer» `BeCl_(2) and SrCl_(2)` `BeCl_(2) and MgCl_(2)` `CaCl_(2) and BaCl_(2)` `BaCl_(2) and SrCl_(2)` Answer :B

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