Formaldehyde solution is used to preserve dead reptiles. [Please select]
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Nicotine may be recognized by the addition of a drop of 30% formaldehyde, the mixture being allowed to stand for one hour and the solid residue then moistened by a drop of concentrated sulphruic acid, when an intense rose-red colour is produced (I. [Please select]
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--Few estates now use formalin (formaldehyde) as an anti-coagulant. [Please select]
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(5) Formalin and formaldehyde gas have been found very efficacious as sanitary agents. [Please select]
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The use of formaldehyde gas is in most cases impracticable for stable disinfection. [Please select]
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Formaldehyde, 1 quart 40 per cent solution to 5 gallons of water. [Please select]
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New combinations of formaldehyde with other bodies are constantly being brought forward as disinfectants. [Please select]
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