Fill in the blanks : 1. Penicillin was first discovered by ______ 2.

1.	Fill in the blanks : 1. Penicillin was first discovered by ______ 2. World ORS Day is ______ 3. Combustion is a chemical reaction in which and substance react with ______4. In the presence of water, the ignition temperature of paper is ______ 5. Fire produced by oil cannot be controlled by ______
Answer» 1. Alexander Fleming 2. July 29 3. oxidizing agent 4. not reached 5. water

Fill in the blanks : 1. Penicillin was first discovered by 2. World ORS Day is 3. Combustion is a chemical reaction in which and substance react with 4. In the presence of water, the ignition temperature of paper is 5. Fire produced by oil cannot be controlled by __

Answer»

1. Alexander Fleming

2. July 29

3. oxidizing agent

4. not reached

5. water