type of reactions

Question 1

chemical reaction

Answer 1

a change in which one or more new substance are formed

Question 2

oxidation

Answer 2

when a substance reacts with oxygen
metal + oxygen > metal oxide

Question 3

combustion

Answer 3

when a substance burns in oxygen

Question 4

reduction

Answer 4

occurs when a substance loses oxygen

Question 5

decomposition

Answer 5

when a compound breaks down into simpler substances

Question 6

thermal decomposition

Answer 6

when a substance is decomposed using heat

Question 7

electrolysis

Answer 7

when a substance is decomposed using electricity

Question 8

neutralization

Answer 8

reaction between an acid and a base producing a salt and water

Question 9

precipitation

Answer 9

when a solid is produced from solutions that are mixed together

Question 10

displacement

Answer 10

when a more reactive element takes place of a less reactive one in a compound

Question 11

endothermic

Answer 11

need energy to happen. less common reaction

Question 12

exothermic

Answer 12

give out energy. most common type of reaction