Combustion Reactions

Question 1

H

Answer 1

burns w/speaky pop
- highly flammable
- pop is a mini explosion

Question 2

O

Answer 2

relights glowing splint
- higher concentration of O2 (compared to air)

Question 3

CO2

Answer 3

turns limewater milky

Question 4

NH3 (ammonia)

Answer 4

1. turns damp red litmus blue
2. forms white smoke of ammonium chloride in presence of hydrochloric acid

Question 5

Cl

Answer 5

damp blue litmus turns red, then continues to bleach to white