Chemical Tests 1

Question 1

Which state are oxygen, hydrogen and carbon dioxide in?

Answer 1

gases

Question 2

name 2 propertys of oxygen, hydrogen and cabon dioxide

Answer 2

they are colourless and have no smell

Question 3

we use lime water to test for _____ _______ ?

Answer 3

carbon dioxide

Question 4

what happens to lime water when it reacts with carbon dioxide?

Answer 4

white clouds form as carbon dioxide bubbles

Question 5

what do you do in a pop test?

Answer 5

put a lighted splint in gas

Question 6

what do you use a pop test to test for?

Answer 6

hydrogen

Question 7

what do you use a glowing splint to test for?

Answer 7

oxygen

Question 8

what happens when you use a glowing splint to test for oxygen?

Answer 8

the splint re-lights

Question 9

what does litmus do?

Answer 9

it shows whether a solution is an acid, neutral or if its an alkali

Question 10

what is another word for litmus?

Answer 10

indicator

Question 11

what colour does litmus go when reacted with an acid?

Answer 11

red

Question 12

what colour does litmus go when reacted with a neutral substance?

Answer 12

stays the same

Question 13

what colour does litmus go when reacted with an alkali?

Answer 13

blue

Question 14

what type of gas is carbon dioxide?

Answer 14

acid

Question 15

how can you test for water?

Answer 15

blue cobalt chloride paper