Ashu, a 15 year old boy while travelling in car saw that a factory near the outskirt of city caught fire. He came to know from his father that the factory is of petrochemicals. Quickly, he told his father to stop the car. He got down and called the fire brigade. Fortunately, fire brigade arrived within 15 minutes and controlled the fire. (i) What is the substance used as fire extinguisher by firemen and why? (ii) What is the basic principal of controlling the fire? (iii) Which value of Ashu is depicted here?

i think it is true since you can test the answer and can use observations to complete it.

personal, she chose to do it.

nacl or sodium chloride is an ionic compound. this is because an ionic compound pertains to a compound that consists of positively and negatively charged ions. in this case, na (sodium) has a tendency to lose one electron when it reacts with with other atoms, so the resulting sodium ion contains 11 protons and 10 electrons, thus making it positively charged (na+), when chlorine reacts, it usually gains one electron to form an ion called chloride, thus making it negatively charged ( since the ions are oppositely charged, they attract.