Chem 2
Chem1
chem3
misc
100

citric acid

which acid is found in oranges, lemons etc?

100

you use this to differentiate between an acid and an alkali

what is an indicator?

100

groups, rows

How are the elements in a periodic table arranged?

100

joule

what is the unit of energy called?

200

indicator

what is used to differentiate between acids and alkali?

200

materials that do not conduct electricity

what are insulators?

200

transpiration

what is the loss of water vapour from plants called??

200

mitochondria

what is the powerhouse of a cell called?

300

copper and tin are used

which metals are used to make Bronze?

300

a space where there are no particles

what is vaccum?

300

sonorous

the property of metals to make sound when they are hit

300

tidal force

what is the pull from the moon's gravity called?

400

sulfur

what is added to rubber to make it hard?

400

alloys

what are metal mixtures called?

400

often used in swimming pools to kill bacteria

what is an important use of Chlorine?

400

amps

what is the unit used to measure current?

500

Aluminium, Magnesium and copper

what the components of Duralumin that is used to make airplanes?

500

Nitinol ( made of Nickel and Titanium)

what is an example of shape memory alloy?

500

iron, nickel, cobalt

what are some of the metals that exhibit magnetic property?

500

haemoglobin

which pigment gives blood its red colour?