Science 14 - Unit A exam cloned 8/9/2022

Last updated over 3 years ago

10 questions

Last updated over 3 years ago

10 questions

Question 1

These WHMIS symbols are displayed on a can of solvent. They indicate that the solvent is:

flammable and toxic

flammable and corrosive

dangerously reactive and toxic

dangerously reactive and corrosive

Question 2

salting

canning

freezing

fermentation

Question 3

purer than gold

softer than gold

anneals better than gold

holds an edge better than gold

Question 4

all matter is made up of small indivisible particles

atoms of different elements have different properties

atoms are never created or destroyed during a chemical reaction

all the atoms of an element are identical in properties such as size and mass

Question 5

taste sour

turn litmus red

conduct electricity

react with Mg to produce hydrogen bubbles

Question 6

an exothermic single replacement reaction

an endothermic single replacement reaction

an exothermic hydrocarbon combustion reaction

an endothermic hydrocabron combustion reaction

Question 7

Question 8

Question 9

Question 10

10.

Question 1

flammable and toxic

flammable and corrosive

dangerously reactive and toxic

dangerously reactive and corrosive

Question 2

salting

canning

freezing

fermentation

Question 3

purer than gold

softer than gold

anneals better than gold

holds an edge better than gold

Question 4

all matter is made up of small indivisible particles

atoms of different elements have different properties

atoms are never created or destroyed during a chemical reaction

all the atoms of an element are identical in properties such as size and mass

Question 5

taste sour

turn litmus red

conduct electricity

react with Mg to produce hydrogen bubbles

Question 6

an exothermic single replacement reaction

an endothermic single replacement reaction

an exothermic hydrocarbon combustion reaction

an endothermic hydrocabron combustion reaction

Question 7

Question 8

Question 9

Question 10

10.