Answer the following question given this paragraph: Gypsum, with its rose-like structure, is a chemical sedimentary rock. Q: What kind of rock is gypsum? A:
OPTIONS:
- basalt
- igneous
- metamorphic
- sedimentary

Answer: sedimentary

Answer the following question given this paragraph: AcidBase Titrations Because most common acids and bases are not intensely colored, a small amount of an acid base indicator is usually added to detect the equivalence point in an acidbase titration. The point in the titration at which an indicator changes color is called theendpoint. The procedure is illustrated in Example 21. Q: The point in the titration at which an indicator changes color is called what? A:
OPTIONS:
- zeta point
- tipping point
- chromatic point
- end point

Answer: end point

Answer the following question given this paragraph: The carbon monoxide molecule is correctly represented by a triple covalent bond between the carbon and oxygen atoms. One of the bonds is a coordinate covalent bond , a covalent bond in which one of the atoms contributes both of the electrons in the shared pair. Q: In what kind of bond does one atom contribute both of the electrons in the shared pair? A:
OPTIONS:
- a valence bond
- a metallic bond
- an ionic bond
- a covalent bond

Answer:
a covalent bond