1.) Ethene reacts with hydrogen gas in the presence of a nickel catalyst to form ethane. What type of reaction is this?

2.) Calcium carbonate reacts with hydrochloric acid producing calcium chloride, carbon dioxide, and water. This is primarily a: 

3.) In the dehydration of ethanol to ethen using concentrated sulfuric acid, the reaction type is: 

4.) When sodium hydroxide reacats with hydrochloric acid to form sodium chloride and water, the process is:

5.) Mixing silver nitrate solution and sodium chloride solution produces a white precipitate of silver chloride. The reaction is: 

6.) The reaction: 

CH2=CH2 + Cl2 

7.) The baking soda-vinegar experiment produces bubbles because:

8.) The industrial production of polyethylene from ethene monomers is an example of:

9.) Heating 2-bromopropane with alcoholic KOH to form propane is:

10.) The neutralization of sulfuric acid with potassium hydroxide is classifeid as:

11.) When concentrated sulfuric acid is added to sucrose and heated, water is removed, leaving a black column of carbon. This is: 

12.) Which reaction best describes the process: 

2NaOH + H₂SO₄ -> Na₂SO₄+2H₂O

13.) When etheyne (C2H2) is treated with hydrogen bromide (HBr), the product is bromoethene. This is: 

14.) The fizz when antacids (containing carbonate) react with stomach aci is due to: 

15.) Which is a polymerization reaction?

16.)