| 41. | Calixarenes exist in different chemical conformations because rotation around the methylene bridge is not difficult.
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| 42. | Ethacrynic acid is a phenoxyacetic acid derivative containing a ketone group and a methylene group.
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| 43. | A cysteine adduct is formed with the methylene group and this is the active form.
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| 44. | The dye is structurally related to methylene blue, which also features a phenothiazine core.
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| 45. | It consists of a six-membered ring with alternating methylene bridges and thioether groups.
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| 46. | The aqueous solution in the classical reaction contains glucose, sodium hydroxide and methylene blue.
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| 47. | When the methylene molecule is in its spins, a configuration known as triplet state.
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| 48. | Liquids used include bromoform, tetrabromoethane, tribromoethane, methylene iodide, and polytungstate liquids.
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| 49. | But Epic produces its microspheres by using plain water rather than chemical solvents like methylene chloride.
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| 50. | The strongest strippers contain methylene chloride, a toxic chemical, but they work the fastest.
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