The metals most commonly used as catalysts
Alkali metals
Alkaline earth metals
Transition elements
Halogens
Photosynthesis in green plants is an example.
Endothermic reaction
Exothermic reaction
Calcination reaction
Roasting
The green pigment present in the leaves of plants in
Vat dye
Phenolphthalein
Chlorophyll
Chloroform
The principle used in equilibrium system to yield better product
Avogadro's law
Lussac's law
Ideal gas law
Le chatlier's Principle
The optimum temperature in the manufacture of ammonia
450oC
300oC
400oC
150oC
Breaking of chemical bond is a
Combustion reaction
The minimum amount of energy needed to begin to break bonds
Threshold energy
Activation energy
Heat enthalpy
Entropy
