Write the properties of a chemical change.

Write the properties and chemical nature of enzymes.

Write the properties of electric charges. The properties of electric changes:

Write the characteristics of chemical change.

Write the characteristics of chemical changes.

Assertion (A) : CaO+H_(2)Orarr Ca(OH)_(2) is a chemical change. Reason (R) : The original substance does not loss their characteristic properties in chemical change.

Write the definition of chemical change?

Write properties of chemical equillibrium.

Chemical properties

Chemical properties