Four different solutions are separately tested with blue litmus and with methyl orange.
Each solution is known to be either acidic or alkaline. The results are shown.
Which statement is correct?
1 )
Solutions 1 and 4 are acidic.
2 )
Solutions 1 and 2 are alkaline.
3 )
Solutions 3 and 4 are acidic.
Solutions 3 and 4 are alkaline.
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