Explain. Physical and Chemical Change:The physical change is referred to as a change in physical properties like shape and size, whereas the chemical change refers to changes in the chemical properties like bre
No, boiling water is NOT a chemical reaction, but it is a physical change. When water, H2 O, is in liquid form, it can be heated to a boil. Boiling...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer...
Boiling point is a physical property. Vaporization is a physical change of state that does not involve a chemical reaction. Heating a liquid until it vaporizes allows the determination of the boiling point of the material. When the liquid is heated steadily, the temperature of the liquid rises ...
Knowledge Check Which of the following is a physical change? ABoiling of water BBoiling of an egg CBurning of wood DBlooming of a flowerSubmit Melting of ice is a chemical change View Solution Ripening of fruit is a physical change. View Solution Powdering of sugar is a physical change...
5 (a) State if each of the following is a physical or chemical change.(i) Rusting of iron nail .(ii) Toasting a slice of bread ...(iii) Boiling a kettle of water ...(iv) Decay of food --- [2](b) Give two reasons to explain your answer for part (a)(i). 相关知识点: ...
What is a physical change? Explain with example. View Solution Recap|Activity|Physical Properties|Reversible Physical Changes|Irreversible Physical Changes|Effect Of Heating And Cooling On Materials|OMR View Solution Exams IIT JEE NEET UP Board
A chemical change is a permanent change. A Physical change affects only physical properties i.e. shape, size, etc. ... Some examples of physical change arefreezing of water, melting of wax, boiling of water, etc. A few examples of chemical change are digestion of food, burning of coal,...
QUESTION 8The heating curve for a pure substance at atmospheric pressure is shown in the graph below.12090 A 0 0 0601300Time(minutes)8.1 Write down the following for this pure substance:8.1.1. Melting point 54C(1)8.1.2. Boiling point 93C(1)8.2. Is this pure substance water? Give a re...
Both are expensive processes, and liquefying hydrogen is technically challenging as well: it needs to be cooled down to –252°C, one of the lowest boiling points of all the elements. Facilitating cooperation among a range of stakeholders. For the nascent clean-hydrogen value chain to develop...
pictures of me online,I didn't have social media until 17.I had a smartphone from 11,and would text and call my fiends a lot.The key difference was that I was a digital viewer,not a participant.When they asked why I didn't have socia...