Changing hydrogen and oxygen into water is a chemical change none of these conservation reaction physical change

Q: Which of the following is not a chemical change? A. burning coal B. making bread rise using baking…

A: A chemical change is a change in which the initial compound is having different structure or formula…

Q: Which of the following is a homogeneous  mixture? Hint: silver chloride is insoluble in water…

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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: Identify two forms of energy that are involved in each of the following energy conversions relating…

A: Energy can neither be created nor destroyed. They can only be converted from one form to another.

Q: Is this a chemical or physical change? List your reasons

A: When calcium metal , which has a silver color is heated with oxygen gas it gives calcium oxide as a…

Q: Classify Matter According to Its Composition: Elements ?

A: ANSWER IS :

Q: Using the Identification of Substances by Physical Properties table in the question above, when…

A: The answer is explained below.

Q: Rank the physical and chemical changes in order of decreasing of the amount of energy released: (a)…

A: If the quantity of water that is condensed in and subsequently precipitated from a cloud is known,…

Q: . When table salt is placed in water and stirred it dissolves and a clear liquid is obtained. This…

A: On the basis of changes; all processes can be classified as physical change and chemical change. The…

Q: 19. When limestone is subjected to high heat, it becomes calcium oxide and releases carbon dioxide…

A: Using combustion reaction of wood it is observed that it is similar to decomposition of limestone.

Q: Which of the following is not a physical change? physical state color boiling point bleaching…

A: Physical change - A physical change is a change which affects the form of the chemical substance…

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: What are four observations used to indicate a chemical change?

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Q: Consider the example of the block released from the spring and then travelling up the circular ramp.…

A: Nonconservative forces are the force of friction or the air resistance force. These forces takes…

Q: Is the melting point of a chemical a physical property or chemical property

A: Physical property :-  A property which can be measured without changing the chemical composition of…

Q: State the difference between physical and chemical changes

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Q: Physical and Chemical Change Worksheet Classify the following as a physical or a chemical change and…

A: Since you have posted questions with multiple sub-parts, we are entitled to answer the first 3 only.…

Q: List the differences between chemical changes and physical changes.

A: The chemical changes are defined as the combination of the two or more species and generate new…

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

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Q: Classify each of the following as a physical (P) or a chemical (C) change   Cooking an egg Boiling…

A: Before we classify the given changes as Physical Change or Chemical Change, let's understand the…

Q: Combining hydrogen gas and oxygen gas to form water is a O chemical change. O physical change.…

A: Combination of H2(g) & O2(g) is which type of reaction ??

Q: What is the difference between a physical and chemical change? Give at least three signs of a…

A: Difference  between  chemical  change  and  physical  change.  Physical change is a type of change…

Q: Part F In volcano vents, sulfur is converted directly from the emitted hot gases to form mounds of…

A: Deposition involves the conversion of gases directly into solids without passing through the liquid…

Q: How do I know the difference between physical and chemical changes?

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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: If a red and green solution are mixed and an orange mixture esults, is this evidence of a physical…

A: Physical change is the change in which physical property of the compound changes and it is…

Q: Changing hydrogen and oxygen into water is a .... a. chemical change b. physical change c. double…

A: When a chemical change takes place bond between atom breaks and new bond forms. Thus when water is…

Q: Classify the following quantities if extensive or intensive property: 4 a.) Temperature b.) Mass c.)…

A: Given quantities: a) Temperature b) Mass c) Weight d) Volume We have to classify these quantities as…

Q: Alcohol evaporating is an example of what? Group of answer choices A chemical change A physical…

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Q: 19. When limestone is subjected to high heat, it becomes calcium oxide and releases carbon dioxide…

A: The heating of limestone is a chemical change;The limestone decomposes into two other substances,…

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

A: 1.Elementary zinc does not react with water molecules. The ion does form a protective,…

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

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Q: Physical changes Chemical changes Answer Bank The candle wick burns. The glass jar gets hot. Soot is…

A: Introduction: We have to tell when candles burns what will be the physical and chemical changes…

Q: Is the melting point of sodium chloride a physical or chemical change

A: Interpretation: The melting point of sodium chloride a physical or chemical change is to be…

Q: The correct entry for box #1 in the diagram would be: energy changes in chemical reactions. requires…

A: The detailed answer is attached below.

Q: When sodium combines with water, sodium hydroxide and hydrogen gas are formed.  This is described as…

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Q: What are the properties of Chemical changes?

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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 block of iron forming a pool of the liquid metal is correctly classified as A) Chemical change…

A: Physical change : is the change of matter that occurs without change of the chemical composition. It…

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: What are the properties of physical changes

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