practicles

Question 1

what is the test for chlorine?

Answer 1

bleached damp litmus paper

Question 2

what is the test for oxygen?

Answer 2

putting a glowing spill inside test tube and will be relit

Question 3

what is the test for carbon dioxide?

Answer 3

will make limewater cloudy

Question 4

what is test for hydrogen?

Answer 4

placing lit spill in test tube and will be a ‘squeaky pop’

Question 5

what is test for sulfate?

Answer 5

• dilute HCL with barium chloride solution

* white precipitate

Question 6

what is test for halides?

Answer 6

• dilute nitric acid add silver nitrate

* white, cream, yellow precipitate

Question 7

what flame colour is lithium?

Answer 7

red

Question 8

what flame colour is sodium?

Answer 8

yellow

Question 9

what flame colour is potassium?

Answer 9

lilac

Question 10

what colour flame is calcium?

Answer 10

orange

Question 11

what colour flame is copper?

Answer 11

green

Question 12

what could colour precipitate does calcium have?

Answer 12

white

Question 13

what colour precipitate does copper have?

Answer 13

blue

Question 14

what colour precipitate does iron(11) have?

Answer 14

green

Question 15

what colour precipitate does iron(111) have?

Answer 15

brown

Question 16

what colour precious does magnesium have?

Answer 16

white