Y8 chemistry revision Periodic Table and Separating mixtures

Question 1

bromine can displace chlorine from a solution of potassium chloride

Accepted Answer

false

Question 2

group 1 metals react with water to form

Accepted Answer

a metal hydroxide and hydrogen

Question 3

Group 1 metals are also called

Accepted Answer

alkali metals

Question 4

ductile means

Accepted Answer

it can be pulled into wires

Question 5

the melting and boiling points of the halogens increases down the group

Accepted Answer

true

Question 6

Group 7 elements are also known as

Accepted Answer

the halogens

Question 7

which of the following is not a property of group 1 metals

Accepted Answer

dense

Question 8

groups in the periodic table are horizontal

Accepted Answer

false

Question 9

2 or more elements combined together is a

Accepted Answer

compound

Question 10

the solution which goes through the filter funnel is called

Accepted Answer

the filtrate

Question 11

A pure substance will have a sharp melting point

Accepted Answer

true

Question 12

Periods go down the periodic table

Accepted Answer

false

Question 13

solubility generally decreases as temperature increases

Accepted Answer

false

Question 14

distillation requires which 2 processes in the correct order

Accepted Answer

evaporation and condensation

Question 15

all molecules contain 2 different types of element

Accepted Answer

false

Question 16

chromatography is used to separate mixtures of

Accepted Answer

colours

Question 17

metal oxides form acid rain

Accepted Answer

false

Question 18

a mixture of an element and a compound

Accepted Answer

D

Question 19

reactivity decreases down group 1

Accepted Answer

False

Question 20

mixtures are hard to separate

Accepted Answer

false

Question 21

50g of x dissolves at 60 degrees and 25g at 30 degrees , how much is formed when it cools

Accepted Answer

25

Question 22

which trend is incorrect for Group 7 as you go down the group

Accepted Answer

get lighter in colour

Question 23

Which one is not the property of a metal

Accepted Answer

brittle

Question 24

Group 0 is known as the Noble gases because

Accepted Answer

they are not reactive

Y8 chemistry revision Periodic Table and Separating mixtures

Questions 24

Y8 chemistry revision Periodic Table and Separating mixtures

Questions 24