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A
Exothermic reactions
B
Endothermic reactions
C
Isothermic reactions
D
Photochemical reactions
A
Molecular mass
B
Atomic number
C
Proton
D
Electron
A
mild base
B
mild acid
C
neutral solution
D
strong acid
A
Sodium
B
Magnesium
C
Gold
D
Silver
A
Solid
B
Liquid
C
Gas
D
Plasma
A
Calcium Carbonate
B
Sodium Carbonate
C
Potassium Carbonate
D
Zinc Carbonate
A
Ethane
B
Ethene
C
Propene
D
Alkene
A
Oxidation
B
Reduction
C
Substitution reaction
D
Combination reaction
A
CHO
B
COOH
C
COOR
D
CO
A
Iron, Nickel and Chromium
B
Iron, Nickel and Magnesium
C
Iron, Bronze and Magnesium
D
Bronze, Magnesium and Nickel
A
increases temperature of water
B
decreases temperature of water
C
no change in temperature
D
rapidly increases temperature and then decreases
A
Red
B
Yellow
C
Orange
D
Pink
A
motion
B
uniform motion
C
equillibrium
D
inertia motion
A
Petrol
B
LPG
C
Coal
D
Wind
A
8,2,1
B
2,1,8
C
2,8,1
D
1,8,2
A
Constant proportion
B
Conservation of mass
C
Disproportion
D
Invisible particles
A
Lead Acid
B
Nickel Metal Hydride
C
Lithium
D
Nickel Cadmium
A
Nitrogen
B
Methane
C
Oxygen
D
Sulphur Dioxide
A
Lion
B
Cow
C
Grass
D
Cat
A
Newton
B
Dalton
C
Galileo
D
Aristotle