Own sim mobile number check is the ussd codes to check your sim mobile number. Using these own mobile number check codes you can check a number of following network operator sim number Airtel, Reliance Jio, Idea, Vodafone, Aircel, BSNL, Docomo, Reliance and other.
Burning of magnesium ribbon is a chemical change as chemical composition of one of the compound is changing and the chemical reaction associated with it is. Mg + (1/2) O2 â MgO. here the magnesium ribbon is burnt and magnesium oxide is formed.
A chemical change is the change of one or more substances into other substances. A physical change is when the state or shape of matter is changed. In a chemical change molecu â¦ les are combined or beak apart to form new substances.Rusting iron is an example of a chemical change. crushing a can or tearing paper can be an example of physical change. 7 people found this useful.