acids and bases

Question 1

definition of acid

Answer 1

An acid is a substance that can give away a hydrogen ion (proton) to another substance

Question 2

definition of base

Answer 2

A base is a substance that can take in hydrogen ion from acid

Question 3

properties of acids

Answer 3

taste sour
produces H+
turn litmus paper red
corrosive in nature

Question 4

properties of bases

Answer 4

taste bitter
produces OH- ions
turn litmus paper blue
caustic in nature

Question 5

how to identify acid-base reaction

Answer 5

acid + base -> salt + water

Question 6

how to identify combustion reaction

Answer 6

Fuel + Oxygen -> Carbon dioxide + water

Question 7

how to identify acid-metal reaction

Answer 7

acid + metal -> salt + hydrogen gas

Question 8

how to identify precipitation reaction

Answer 8

in general form: AB + CD -> AD + CB

Question 9

how to identify acid-carbonate reaction

Answer 9

acid + carbonate -> salt + water + carbon dioxide

Question 10

difference between complete vs incomplete combustion

Answer 10

complete:
-happens when there is plenty of oxygen
-fuel burns fully
-cleaner and safer

incomplete:
-happens when there is not enough oxygen
-fuel doesn’t burn fully
-produces toxic gases like carbon monoxide
-cause pollution