GASES IN REACTIONS

Question 1

WHAT HAPPENS IF YOU BURN SOMETHING AND IT REACTS WITH OXYGEN IN THE AIR

Answer 1

WHEN AN ELEMENT IS BUIRNT IN THE AIR IT REACTS WITH THE OXYGEN TO FORM AN OXIDE

-THESE OXIDES CAN HAVE EITHER ACIDIC OR BASIC CHARACTER

Question 2

WHAT HAPPENS TO MAGNESIUM WHEN IT BURNS

Answer 2

IT BURNS WITH A WHITE FLAME IN AIR AND THE WHITE POWDER THAT IS FORMED IS (MAGNESIUM OXIDE)

-MAGNESIUM OXIDE IS SLOWLY ALKALINE WHEN ITS DISOLVED IN WATER

Question 3

WHAT HAPPENS TO HYDROGEN WHEN IT BURNS

Answer 3

IT BURNS EASILY IN OXYGEN, IT CAN BE EXPLOSIVE
IT HAS ALMOST INVISIBLE PALE BLUE FLAME AND THE ONLY PRODUCT IS WATER (AS WATER VAPOUR)

Question 4

WHAT HAPPENS TO SULFUR WHEN IT BURNS

Answer 4

IT BURNS IN THE AIR WITH A PALE BLUE FLAME AND PRODUCES (SULFUR DIOXIDE)

-SULFUR DIOXIDE IS ACIDIC WHEN DISSOLVED IN WATER

Question 5

THE THERMAL DECOMPOSITION OF METAL CARBONATE PRODUCES (…)

Answer 5

(CO2)

Question 6

WHAT IS THERMAL DECOMPOSITION

Answer 6

WHEN A SUBSTANCE BREAKS DOWN INTO SIMPLER SUBSTANCES WHEN HEATED