Sodium chloride and water are formed by the reaction of sodium hydroxide and hydrochloric acid. What is this reaction?

Which compound is formed when copper is burnt in air?

Which of the following is not oxidized?

On heating copper powder in air, a layer of copper oxide accumulates on its surface. What is the color of this layer?

Herbs- The decomposition of vegetables into compost is an example of which reaction?

The litmus dye is purple in color, which is removed?

What type of chemical reaction is combustion of natural gas?

Which of the following drugs is used to treat indigestion?