Unit 3 Quiz- Chemical Reactions

Question 1

what is a synthesis reaction

Answer 1

*combination
-two or more substances combine to ONE complex substance

Question 2

what is synthesis of elements

Answer 2

2 elements form a compound

Question 3

what is synthesis producing acids

Answer 3

-nonmetal oxide + water
*acid starts with H

Question 4

what is synthesis producing base

Answer 4

-metal oxide + water
*base starts with OH

Question 5

what is synthesis producing salts

Answer 5

metal oxide + non metal oxide

Question 6

what is decomposition reaction

Answer 6

compound broken down into 2 or more simpiker substances

Question 7

what’s decomposition of elements

Answer 7

produces 2 or more simpler elements

Question 8

what’s decomposition of acids

Answer 8

produces water + non-metal oxid

Question 9

what’s decomposition of bases

Answer 9

produces water and metal oxide

Question 10

what’s combustion

Answer 10

reactions with oxygen producing oxides and energy

Question 11

what’s single displacement

Answer 11

reaction of elements with a compound to produce new element and new compound

*use activity series

Question 12

what’s double displacement

Answer 12

reaction of 2 ionic compounds where cations replace eachothers to form 2 new compounds

Question 13

what a precipitation reaction

Answer 13

*double displacement
aqueous reactants produce a solid product

Question 14

what’s a reaction producing gas

Answer 14

aqueous reactants produce gas product

Question 15

what’s a neutralization reaction

Answer 15

-double displacement reaction between an acid and a base
-products form a water and salt