Fill in the Blanks 1. The addition of oxygen to a substance is called …………. whereas removal of oxygen is called …………. . 2. The addition of hydrogen to a substance is called …………. whereas removal of hydrogen is called …………. . 3. Precipitation reactions produce insoluble …………. . 4. Reactions in which energy is given out are known as …………. . 5. Reaction in which an element displaces another element from its compound is called …………. . 6. Two antioxidants which are usually added to fat and oil containing foods to prevent rancidity, are …………., …………. . 7 …………. is the process in which metals are eaten up gradually by the action of air, moisture or a chemical on their surface.

Harshit Singh , 3 Years ago

Grade 12th pass