Classify the following properties of sodium metal as physical or chemical:
•Silver metallic color—physical property
•Turns gray in air—physical property
•Melts at 98º C-melting point is physical property
•Reacts explosively with chlorine gas—chemical property
Classify the following changes as physical or chemical:
•Water freezes at 0º C –physical change
•Baking soda when combined with vinegar produces bubbles—chemical change
•Mothballs gradually disappear at room temperature—physical change
•Ice cubes in a freezer get smaller with time—physical change
•Baking soda loses mass as it is heated-physical change
•Tarnishing of silver—chemical change
sodium metal is insoluble in ether.
sodium metal dissovles in water to produce a gas.
Oil dissolves in gasoline and gives a homogeneous solution.
a drop of silver nitrate solution in a newborn's eye destroys the bacteria that can cause blindness.
I need help classifying these as physical and chemical properties! 1. sodium metal in chlorine gas releases luster. 2. sodium metal has a metallic silver luster. 3. sodium metal in water porduces hydrogen gas. 4. sodium metal
Classify the following properties of ozones as physical or chemical: 1.bluish color 2.pungent odor 3.reactive towards oxygen 4.decomposes to oxygen on exposure to ultraviolet light 5.it is a gas Is this correct? 1.chemical
What are two chemical and two physical properties of water? Please help me. Thank you. physical properties: boiling point, freezing point,density, color, electrical conductivity chemical properties: reactivity with sodium.
Element A and element B have bonded and formed compound AB. Which of the following statements is true? A) Compound AB has chemical and physical properties that are completely different from those of A and B. B) Compound AB has
Element A and element B have bonded and formed compound AB. Which of the following statements is true? A. Compound AB has chemical and physical properties that are completely different from those of A and B. B. Compound AB has
1.what chemical properties of nail polish remover makes it dangerous? 2.Surgeons sometimes use metal plates and screws to hold broken bones together. What chemical properties do you think the metal should have?
Both carbon dioxide and water are pure substances. How are they similar to each other? A.) both substances have a set ratio of atoms that cannot be separated by physical means. B.) both substances have a set ratio of atoms that