Acid reactions

 $$  What is the chemical formula for sulfuric acid?

•  $HSO_4$  

•  $H_2SO_4$  

•  $HCl$  

•  $HNO_3$  

What are acids?

• a substance that produces $OH^-$ in aqueous solution.

• a substance that produces $H^+$ in liquid state.

• a substance that produces hydrogen gas in water.

• a substance that produces $H^+$ when dissolved in water

Which option/s is/are a property/ies of an acid?

• have a sour taste

• can conduct electricity in aqueous state

• turn red litmus paper blue

• reacts with carbonates to give carbon dioxide gas

What is the gas that is produced when an acid reacts with a reactive metal?

• carbon dioxide

• oxygen

• hydrogen

• nitrogen

Which metal reacts with hydrochloric acid to give magnesium chloride as a salt?

What is the gas that is produced when an acid reacts with a zinc carbonate?

• carbon dioxide

• oxygen

• hydrogen

• nitrogen

When calcium carbonate is reacted with an unknown acid, calcium chloride salt is produced. What is the acid?

• hydrochloric acid

• sulfuric acid

• nitric acid

• citric acid

A unknown liquid that is suspected to be an acid is found in the lab. How do we test to determine if it is an acid?

• taste it to see if it is sour

• use a red litmus paper

• use a blue litmus paper

• add magnesium to it and see if bubbles are produced