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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.

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.

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 60787 Points
2 years ago
1. oxidation, reduction 2. reduction, oxidation 3. salts 4. exothermic reactions 5. displacement reaction 6. BHA and BHT 7. Corrosion

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