Advertisements
Advertisements
Question
The gas we use in the kitchen is called liquefied petroleum gas (LPG). In the cylinder, it 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.
Options
Process − A is a chemical change
Process − B is a chemical change.
Both processes A and B are chemical changes.
None of these processes is a chemical change
Advertisements
Solution
Process − B is a chemical change.
APPEARS IN
RELATED QUESTIONS
Complete and balance the following chemical equation:
\[\ce{Pb(NO3)2 ->[Heat]}\]
Define electrolysis.
Balance the following equation :
Fe + H2O → Fe3O4 + H2
A solution of a substance ‘X’ is used for white washing write the reaction of the substance ‘X’ named in (a) above with water.
Show with the help of diagram of electronic configuration how the following compound is formed from the constituent atoms.
Sodium chloride
Give a chemical test to distinguish between the following gases.
NH3 and SO2
What is a chemical reaction?
True or False. If false, give the correct answer.
Taking a glass of water and freezing it by placing it in the freezer is a chemical change.
Assertion: The formation of iron oxide from iron is a chemical change.
Reason: For the rust to form from iron, it must be exposed to air and water.
What is the use of indicator?
