Classify each change as physical or chemical. (a) A balloon filled with hydrogen gas explodes upon contactwith a spark.(b) The liquid propane in a barbecue evaporates away becausesomeone left the valve open.(c) The liquid propane in a barbecue ignites upon contactwith a spark.(d) Copper metal turns green on exposure to air andwater.

Q: What is correct from multiple choice

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Q: What is the definition of a physical property? What is thedefinition of a chemical property?

A: answer is discussed below :

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

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Q: Distinguish between chemical and physical changes?

A:

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Q: Propane gas (C3H8), has a boiling point of -42.0oC and ignites in the presence of oxygen. Do these…

A:

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A: ANSWER IS :

Q: Classify each property as physical or chemical. (a) the tendency of copper to turn green when…

A: Chemistry is the branch of science which deals chemicals, the chemical behavior of matter and the…

Q: Classify property as physical or chemical. the color of gold

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A: Physical changes are those which do not involve any chemical reactions to be taking place only the…

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A:

Q: Which of the following is a homogeneous mixture? a) water and sand b) water and salt c) water and…

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Q: physical and chemical changes is

A:

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Q: A combination of at least two materials, one of which is a metal whose properties are different from…

A: Alloy is the combination of  two metals or a metal and  non metals to form a new product with…

Q: How much heat, in Joules, is absorbed by 60 g of water in order to increase in temperature from 23°C…

A: Interpretation: The amount of heat, in joules absorbed by 60 g of water in order to increase in…

Q: Which of the following is a mixture?  Brass, carbon monoxide, sulfur dioxide or salt

A: A mixture is formed due to the physical combination of substances bounded together in a…

Q: Which is of the following is an example of a physical property? A) lead forming lead oxide in the…

A:

Q: Distinguish between physical and chemical properties.

A: Physical and chemical properties has to be distinguished.

Q: Classify each change as physical or chemical. (a) the explosion of gunpowder in the barrel of a…

A: ANSWER

Q: Classify each of the following as a physical or chemical change   Iron rusting -…

A: The change of matter that occurs without changing the chemical composition of the matter is called…

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Q: Which is of the following is an example of a physical property? A) lead forming lead oxide in the…

A: We have to predict Physical and chemical change along with density and volume calculation.

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Q: Which of the following describes a chemical property? a. The density of iron is 7.87 g/cm3b. A…

A: The chemical property has to be described.

Q: Classify each property as physical or chemical. (a) the tendency of silver to tarnish(b) the shine…

A: Physical property is the characteristics of matter that is not associated with a change in its…

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A: In physical change, there is no change in the chemical composition.

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A: Physical change of a substance means molecules of that substance are rearranged but actual substance…

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:

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A: Physical property: Property of material which can be obtained without disturbing identity of…

Q: Classify property as physical or chemical. the shine of silver

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A:

Q: Which of the following statements is FALSE? O The mass percentage of calcium in calcium phosphate is…

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Q: True or False When a physical change occurs,  a change in state occurs which indicates that a new…

A: In a physical reaction the property of the component ramains same as before the reaction. e.g. Ice…

Q: A mixture of copper and tin, commonly called bronze is a homogeneous mixture or a ____________…

A: Given : A mixture of copper and tin, commonly called bronze is a homogeneous mixture.

Q: A solid white substance A is heated strongly in the absence ofair. It decomposes to form a new white…

A: The chemical reaction taking place is,

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

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Q: classify the following mixtures as homogeneous or hetermgeneous? your sock drawer?

A: Homogenous mixtures have same composition throughout a substance.  It is indistinguishable by…

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A:

Q: Which of the following statements describe physicalproperties and which describe chemical…

A: Physical property - Physical properties are the property of matter which does not change its…

Q: Which of the following would be considered a chemical change? O ice melting O water flowing O iron…

A:

Q: Which of the following changes is considered a chemical change? O a. Dissolving of sugar in water. O…

A: Given processes: Dissolving of sugar in water Crushing rock salt Evaporation of alcohol Melting of…