C4 - Acids And Redox

Question 1

What is the formula for hydrochloric acid

Answer 1

HCl

Question 2

What is the formula for sulphuric acid

Answer 2

H2SO4

Question 3

What is the formula for nitric acid

Answer 3

HNO3

Question 4

What is the formula for ethanoic acid

Answer 4

CH3COOH

Question 5

What is the order of elements that oxidation states are signed in

Answer 5

Fluorine, group one, hydrogen, oxygen

Question 6

Define acid

Answer 6

Releases H plus ions in aqueous solution (proton donors)

Question 7

Define base

Answer 7

React with acids by accepting H plus ions to form salts (proton acceptor)

Question 8

Define alkali

Answer 8

A soluble base which releases OH minus ions in aqueous solution

Question 9

Acid + metal

Answer 9

Salt + hydrogen

Question 10

Acid + metal oxide

Answer 10

Salt and water

Question 11

Acid and metal hydroxide

Answer 11

Salt and water

Question 12

Acid + carbonates

Answer 12

Salt plus water plus carbon dioxide

Question 13

Acid and hydrogen carbonate

Answer 13

Salt, water, carbon dioxide

Question 14

Acid plus ammonia

Answer 14

Ammonia salt

Question 15

What is meant by the term “salt”?

Answer 15

When an H+ ion is replaced by a metal ion (or ammonium ion)