Question 11: The gas we use in the kitchen is called liquefied petroleum gas (LPG). In the cylinderit exists as a liquid. When it comes out from the cylinder it becomes a gas (Change − A) then it burns(Change − B). The following statements pertain to these changes. Choose the correct one.(i) Process − A is a chemical change.(ii) Process − B is a chemical change.(iii) Both processes A and B are chemical changes.(iv) None of these processes is a chemical change.
Harshit Singh , 3 Years ago
Grade 12th pass
