Integrated Science Exam

Which of the following usually form negative ions during ionic bonding?

• Gases

• Liquids

• Metals

• Non-metals

What method is best used to separate oil from water?

• Fractional distillation

• Paper chromatography

• Separating funnel

• Simple distillation

Which indicator can be used to test if a liquid is acidic or basic using natural materials?

• Litmus paper

• Red cabbage extract

• Phenolphthalein

• Methyl orange

True or False: Acids and bases can react to produce a gas.

• True

• False

• Sometimes

• Not sure

The gas produced during the reaction of sodium carbonate and hydrochloric acid is important for:

• Respiration

• Digestion

• Photosynthesis

• Decomposition

True or False: All acids are harmful.

• True

• False

• Sometimes

• Depends on the acid

What kind of change occurs in neutralization?

• Chemical

• Physical

• Biological

• Nuclear

Which gas is typically released when acids react with metals?

• Carbon dioxide

• Hydrogen

• Oxygen

• Nitrogen

The periodic table consists of:

• Only gases

• Only liquids

• Only natural elements

• All known elements

A substance that turns red litmus blue is a:

• Acid

• Base

• Salt

• Neutral solution