Inorg&Org Chemistry LAB

Normal, clean rain water has a pH value of between 5.0 - 5.5, which is slightly acidic. When rain combines with sulfur dioxide or nitrogen oxides, usually as by- product from power plants and automobiles, the rain becomes?

• Much more basic.

• Much more acidic.

• Less acidic.

• Less basic

Which of the following is the possible pH of bottled water?

• pH 2.5 - 3.5

• pH 4.5 - 5.5

• pH 6.5 - 7.5

• None of the above

Blood has a normal pH range of about?

• pH 7.0 - 7.1

• pH 7.35 - 7.45

• pH 6.50 - 7.50

• pH 5.50 - 6.50

Oil can be drained off water after letting an oil and water mixture settle for awhile. The water and oil can be separated by using the following laboratory apparatuses EXCEPT:

• Test Tube Holder

• Beaker

• Funnel

• Flask

In Chemistry, pH is referred to as?

• The potential of Hydrogen

• Logarithmic scale used to know the acidity and basicity of aqueous solutions.

• Acidity and basicity of solutions

• All of the above

The acidity and basicity of solutions can be measured using indicators, which change in color depending on the pH of solution they are in.

• True

• False

• Have no idea

The state of matter which adapts to the shape of its container but varies only slightly in volume.

• Plasma

• Gas

• Liquid

• Solid

A separation technique used in mixtures by passing it in solution or suspension or as a vapor through a medium in which the components move at different rate.

• Centrifugation

• Chromatography

• Decantation

• Filtration

The lanoratory tehcnique #3, can be used as an analytical tool, feeding its output into a detector that reads the contents of the mixture, and also a purification tool, separating the components of a mixture for use in other experiments or procedures.

• Centrifugation

• Chromatography

• Filtration

• Sublimation

A laboratory technique wherein solid particles ina liquid or gaseous fluid are removed by the use of a filter medium that permits the fluid to pass through but retains the solid particles.

• Distillation

• Chromatography

• Filtration

• Evaporation