Which of the following are chemical changes and which physical? Give reason.
- A glass bottle breaking.
- Coal burning in air.
- Making a cake.
- Wool being knitted into a sweater.
Download our app for free and get started
- Chemical change: Coal burning in air, making of cake.
- Physical change: A glass bottle breaking, wool beging knitted into a sweater.
Download our appand get started for free
Experience the future of education. Simply download our apps or reach out to us for more information. Let's shape the future of learning together!No signup needed.*
Similar Questions
- 1View SolutionSuggest separation technique(s) one would need to employ to separate the following mixtures: Mercury and water.
- 2View SolutionOn heating calcium carbonate gets converted into calcium oxide and carbon dioxide:
Is this a physical or a chemical change? - 3A solution of alcohol in water has been prepared by mixingView Solution
$100\ ml$ of alcohol in $300\ mL$ of water. Calculate the volume percentage of the solution. - 4View SolutionWhat is the name of the clear liquid formed when a solid dissolves in a liquid?
- 5View SolutionDescribe a method to separate a mixture of camphor and sand.
- 6View SolutionDefine dispersion medium.
- 7View SolutionWhat are the three groups into which all the elements can be divided? Name two elements belonging to each group.
- 8View SolutionCompare the properties of metals and non-metals with respect to:
- Malleability.
- Ductility.
- Electrical conductivity.
- 9View SolutionWhat do you observe in the china dish during crystallization?
- 10View SolutionCan we separate alcohol dissolved in water by using a separating funnel? If yes, then describe the procedure. If not, explain.