Name this Element
Name this salt
Give the chemical formula for these compounds
All about Chemical reactions
General Science
100

Na

Sodium

100

NaCl

Sodium chloride

100

Dihydrogen monoxide

H2O

100

When Fuel burns, it reacts with _____ in the Air.

Oxygen

100

What was the last topic you studied called?

All Mixed Up

200

Mg

Magnesium

200

MgCO3

Magnesium carbonate

200

Sodium sulfate

Na2SO4

200

State the Law of conservation of mass

Mass is neither created nor destroyed

200

DNA stands for

Deoxyribonucleic acid

300

Pb

Lead

300

Cu3(PO4)2

Copper phosphate

300

Zinc phosphate

Zn3(PO4)2

300

Give three different observations of a chemical reaction

smell, colour change, new substance, fire, light, sound

(any three)

300

What are the two types of cell division

Mitosis and Meiosis

400

Xe

Xenon

400

C6H12O6

Glucose

400

Carbon tetrachloride

CCl4

400

State the common equation for a neutralisation reaction

Acid + Base --> Salt + Water

400

Name the layers of the Earth

Crust, Mantle, Outer Core and Inner core

500

Fr

Francium

500

NH4OH

Ammonium hydroxide

500

Barium nitrate

Ba(NO3)2

500

What are the different parts of a chemical reaction called?


Bonus 100 points if you are they are in order

Reactants and Products

500

When a light passes through a lens and bends it is called..............

refraction