Reaction Flashcards Preview

Chemistry > Reaction > Flashcards

Flashcards in Reaction Deck (23):
1

Three uses for oxygen?

welding torch
Rocket fuel
Breathing apparatus

2

properties of oxygen?

-Colourless
-odourless gas
-same density as air

3

word equation of breathing?

sugar+oxygen-carbon dioxide+water

4

word equation for oxygen test?

Hydrogen Peroxide- water + oxygen

5

chemicals for oxygen experiment?

Hydrogen peroxide
catalyst manganese dioxide

6

test for oxygen?

relights glowing splint

7

What is a catalyst?

A chemical that speeds up other chemical reactions with pout being used

8

Give examples of catalysts?

Iron
Platinum

9

What enzymes?

Protein molecules that speed up reactions in cells

10

Hydrogen test word equation?

magnesium + hydrochloric acid-magnesium chloride + hydrogen

11

chemicals used in hydrogen test?

Magnesium
Hydrochloric acid

12

Test for hydrogen

lighted splint , squeaky pop

13

Carbon dioxide test word equation?

Calcium Carbonate+Hydrochloric acid-Calcium chloride+water+carbon dioxide

14

chemicals used in carbon dioxide test?

Hydrochloric Acid
Marble chips

15

Test for carbon dioxide?

turns lime water cloudy/milky

16

Carbon dioxide uses?

Fizzy Drinks
Fire Extinguisher
Dry ice

17

calcium carbonate added to hydrochloric acid?

bubbles of gas
calcium carbonate disappears

18

give properties of carbon dioxide?

gas
colourless
odourless

19

Exothermic?

A reaction that gives out heat

20

Endothermic?

A reaction that takes in heat

21

Oxidation?

addition of oxygen

22

Reduction?

removal of oxygen

23

redox reaction?

both reduction and oxidation taking place