lead acetate test

  • 61poison — poisoner, n. poisonless, adj. poisonlessness, n. /poy zeuhn/, n. 1. a substance with an inherent property that tends to destroy life or impair health. 2. something harmful or pernicious, as to happiness or well being: the poison of slander. 3.… …

    Universalium

  • 62reaction — 1. The response of a muscle or other living tissue or organism to a stimulus. 2. The color change effected in litmus and certain other organic pigments by contact with substances such as acids or alkalies; also the property that such substances… …

    Medical dictionary

  • 63Film stock — This focuses on motion picture film. For still photography film, see photographic film. A film strip Film stock is photographic film on which filmmaking of motion pictures are shot and reproduced. The equivalent in television production is video… …

    Wikipedia

  • 64protozoan — /proh teuh zoh euhn/, n., pl. protozoans, (esp. collectively) protozoa / zoh euh/, adj. Biol. n. 1. any of a diverse group of eukaryotes, of the kingdom Protista, that are primarily unicellular, existing singly or aggregating into colonies, are… …

    Universalium

  • 653-Quinuclidinyl benzilate — Chembox new ImageFile=3 quinuclidinyl benzilate.svg ImageSize= IUPACName=1 azabicyclo [2.2.2] oct 3 yl hydroxy(diphenyl)acetate OtherNames= Section1= Chembox Identifiers CASNo=6581 06 2 PubChem=23056 SMILES= MeSHName=Quinuclidinyl+benzilate… …

    Wikipedia

  • 66Queen (album) — Queen Studio album by Queen Released 13 July 1973 …

    Wikipedia

  • 67Mercury (element) — gold ← mercury → thallium Cd ↑ Hg ↓ Cn …

    Wikipedia

  • 68Alkene — This article is about the chemical compound. For the material, see Olefin fiber. Not to be confused with Alkane or Alkyne. A 3D model of ethylene, the simplest alkene. In organic chemistry, an alkene, olefin, or olefine is an unsaturated ch …

    Wikipedia

  • 69Male contraceptive — Male contraceptives include condoms, withdrawal (although medical professionals do not regard this as an effective method of contraception), and vasectomy.[1] In other animals, castration is commonly used for contraception. Other forms of male… …

    Wikipedia

  • 70Coffee and health — Coffee contains several compounds which are known to affect human body chemistry. The coffee bean itself contains chemicals which are psychotropic (in a way some find pleasing) for humans as a by product of their defense mechanism. These… …

    Wikipedia