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AMPHOTERIC OXIDES ARE OXIDE WHICH I DO ONLY NATURE THEY REACT WITH ACIDS AND BASES TO PRODUCE SALT AND WATER EXAMPLE AL203 AND ZnO
2. THERE IS A LOT OF IMPORTANCE OF PH IN EVERYDAY LIFE
The ideal pH for the growth of plants is 6.3 to 7.3 which will be responsible for the good growth of plants. If the pH is acidic the lime is added to neutralize the acidity and gypsum is added to neutralize the basicity of soil. iii) In the prevention of tooth decay: The pH of the mouth becomes acidic.
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5. ALUMINUM(Al) + COLD WATER (H20) -----> NO REACTION PLACED
SODIUM IS STORED IN KEROSENE BECAUSE SODIUM ACTIVELY AND VIGOROUSLY WITH AIR AND OXYGEN SO IF IT IS STORED IN KEROSENE IT WILL NOT REACT
IF IT IS EASY WHEN EXPOSED TO AIR FOR SOME TIME IT WILL TAKE A BLAST
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Answer:
1. Oxides of metals which have both acidic as well as basic behavior are know as amphoteric oxides. Example of amphoteric oxides are aluminum oxide and zinc oxide.
2.ph is very important in our digestive system. in the stomach, hydrochloric acid is secreted as food enters the stomach. It turns the ph of the stomach . This ph is important for the activation of the enzyme pepsin which helps in the digestion of protein in food.
3. The thermite process is a chemical reaction in which a metal oxide are displaced by another molten metal in the metal oxide. Example of thermite process is the reaction between the aluminum with the metal oxides where aluminum acts as a reducing agent.