1. Which of the following is an example that includes evidence of a chemical change? *

Q: Can a chemical change result's in no new substances。?

A: Physical change: Physical change involves one phase to another phase without breaking or making the…

Q: The reaction which consume energy and change kinetic energy into chemical energy are said to be?

A: Photochemical reactions are those reactions which involved the consumption of light energy. Then the…

Q: What is the difference between a physical change and a chemical change? List some examples of each.

A: Physical and chemical changes are observed in chemical reaction which gives the characteristics of a…

Q: 1. What is physical change? A chemical change?|

A: As you didn't asked for a particular question number I'm giving you answer of first question. Please…

Q: - Write a paragraph about the difference between a chemical and physical change. Give examples of…

A: To differentiate: Chemical and physical changes.

Q: Distinguish between chemical and physical changes?

A:

Q: Provide examples of physical change and chemical changes and how you could tell.

A: Physical change :  A physical change is defined as the change which do not change composition of…

Q: Which is an example of a chemical change? Steam from the boiling water condenses on the ceiling The…

A: CHEMICAL CHANGE  :- A chemical change as the name suggests, brings a change in the chernical…

Q: The defining features of the states of matter .

A: States of matter are the distinct forms of any particular matter that can exist.  Any substance…

Q: Which is not a clue that could indicate a chemical change? O Change in color O Change in shape O…

A: Change in shape don't indicate the chemical change .

Q: State the law of conservation of mass and energy as it applies to a chemical reaction.

A: The law of conservation of mass and energy it applies to a chemical reaction has to be stated below.

Q: carving wood slicing an apple burning woodtearing aluminum fol bleaching skin snow melting frying an…

A: A chemical change occurs when two substances on combining bring about to form new substance. Which…

Q: Is a change in phase a physical change or a chemical change? Explain.

A: A physical change is a reversible change whereas chemical changes are generally irreversible. No new…

Q: Which of the following steps in an overall process involve( s) a physical change and which…

A: Physical change: These are the reversible changes that clarify the physical property of sample.…

Q: Give an example of a chemical change, and explain what evidence supports that it is a chemical…

A:

Q: 3. Which of the following processes is best described as a chemical change? Upon heating, mercury…

A: A chemical change is defined as the change in the chemical formula of the compounds. So whenever…

Q: 24. Which of the following observations may be used as evidence that a chemical change has taken…

A: Chemical change occurs when compound combines with other compound to form a new substance. Or…

Q: 2. How much heat is lost when a 640 g piece of copper cools from 375 °C, to 26

A: When a solid substance is cooling then heat is lost . It can be determined by the following formula-…

Q: Which is an example of a physical change?

A: Physical change can be defined as the change in the physical form of the substance without any…

Q: Mars is red due to red soil rich in iron oxide (rust).  Is the oxidation of soil to rust a PHYSICAL…

A:

Q: A sample of liquid benzene is heated until it boils; is this a chemical change true of false?

A:

Q: Is gas escaping from an opened soft drink anexample of a chemical or a physical change? Explain.

A: In physical change there are no new substance created. Easy physical techniques may be used to…

Q: What are two ways that physical changes are differnt from chemical changes?

A: Given changes,         Physical changes and chemical changes

Q: Classify each change as physical or chemical. (a) A balloon filled with hydrogen gas explodes upon…

A: Given statements are : (a) A balloon filled with hydrogen gas explodes upon contactwith a spark.(b)…

Q: What is the substance undergoing a chemical or physical change known as?

A: A substance undergoing a physical or chemical change known as reactant. reactant is the substance…

Q: You might have noticed that while eating icecream on a hot day, some of the ice cream begins tomelt.…

A: Is the observed change in the state of the ice creama physical or a chemical change? Justify your…

Q: Describe the difference between a physical change and a chemical change.

A: A physical change is a change in which some properties of the substance change, but its identity…

Q: List three of the five changes in the properties of matter than can occur during a chemical…

A: During a chemical reaction, many changes occurs

Q: give one example of a physical change a chemical change

A:

Q: 12. Which picture shows an example of a chemical change taking place? LORV A B C

A: To determine which of the below picture shows chemical change.

Q: How do you distinguish a chemical change from a physical change?

A: A chemical change can be distinguished from a physical change by noting the following points:

Q: 10 All the following are evidence of a chemical change except- F production of a gas G production of…

A: Note - Since you have asked multiple questions, we will solve the first question for you. If you…

Q: What kind of change is ripping a piece of paper towel from the roll, and what kind of change is…

A: Ripping a piece of paper towel from the roll is a physical change as here the piece of paper is…

Q: 13 What occurs within the beaker as the teacher mixes the vinegar and milk? A A chemical change that…

A: Multiple choice questions are answered with explanation.

Q: What is the difference between a physical change and a chemical change?

A: The difference between physical and chemical change are given by

Q: 1. When steam condenses, A. A physical change occurs. B. A chemical change occurs. C. Both physical…

A: When steam condenses a physical change occurs.

Q: What are the properties of Chemical changes?

A:

Q: Which of the following is NOTA chemical change? O a. bicycle rusting O b. antacid neutralizes…

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Q: Change 2 Change 3 Change 1 Change 3 is: Change 1 is: OImpossible a physical change Change 2 is: O…

A: When the reactants react in a reaction and involves the breaking of bonds then this reaction is…

Q: A man makes breakfast He puts some toast in the toaster and mixes some eggs with a milk As he begins…

A: Given: Burning of a toast. Digestion of food. Burning of gas. And straining of orange juice.

Q: Burning paper is a chemical change.

A: Chemical change is in which chemical composition is changed of the compound.

Q: Define physical change and list several common physical changes.

A: There are two types of change in matter; physical change and chemical change.

Q: Crushing an empty water bottle is a chemical change. Select one: O True O False

A: Crushing a bottle is a physical change. In this change Only shape of the bottle change and there is…

Q: Which change can be easily reversed? O Chemical Change O Physical Change O Both a physical and…

A: A physical change happens when a compound undergoes changes in physical properties like color…

Q: What are the properties of physical changes

A: Physical change is the change in physical state of the substance.

Q: Which f the following is an example of chemical change? O Filling up a balloon with hot air. O…

A: Chemical change is a process which results when a substance combines with another substance to form…

Q: Which one of the following is not a chemical change ?     A. Burning of coal in airB. Fermentation…

A: A chemical change is a change of one substance to another one or more substance via a chemical…