Given,
pH of bleach = 12
pH of detergent= 8 to 10
pH of eye drops = 7
pH of lemon juice 1 to 3
pH of tea = 4 to 6
On rearranging samples from most acidic to most basic,
1. Lemon juics
2. Tea
3. eye drops
4. detergent
5. Bleach
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