Making of chemical bonds is a
Exothermic reaction
Endothermic reaction
Combustion reaction
Roasting
The minimum amount of energy needed to begin to break bonds
Threshold energy
Activation energy
Heat enthalpy
Entropy
The heat of neutralization of strong acid reacting with a strong alkali is
-31 kJ/mol
-57 kJ/mol
-68KJ/mol
-33 KJ/mol
The green pigment present in the leaves of plants in
Vat dye
Phenolphthalein
Chlorophyll
Chloroform
The metals most commonly used as catalysts
Alkali metals
Alkaline earth metals
Transition elements
Halogens
Photosynthesis in green plants is an example.
Calcination reaction
