Question

Give examples of chemical combinations chemistry subject

Answer 1

Answer:

An example of a combination reaction is when hydrogen and chlorine react to form hydrochloric acid: The subscripts in the chemical reaction in this image refer to the states of matter.

Answer 2

Some Common Chemical Changes  are :

• The rusting of iron.
• Combustion (burning) of wood.
• The metabolism of food in the body.
• Mixing an acid and a base, such as hydrochloric acid (HCl) and sodium hydroxide (NaOH)
• Cooking an egg.
• Digesting sugar with the amylase in saliva.
• Mixing baking soda and vinegar to produce carbon dioxide gas.