0
Classify the following as a chemical and physical changes 1cooking of food 2.freezing of water 3.drying of clothes 4.mixing of iron nails and sand?
With a physical reaction, some of the substance changes, but the stubstance is still the same. A chemical reaction on the other hand, is hard to reverse.
Physical: freezing of water, drying of clothes, mixing of iorn nails and sand
Chemical: cooking of food
- Cooking of food: Chemical change (due to the change in chemical composition of the food).
- Freezing of water: Physical change (state change from liquid to solid).
- Drying of clothes: Physical change (removal of water through evaporation).
- Mixing of iron nails and sand: Physical change (no new substances are formed, just a mixture of the two substances).
Add your answer:
Earn +20 pts
Would a boling point be classify as a physical or chemical proptry?
Boiling point is classified as a physical property.
Are Name two categories used to classify properties matter?
Two categories used to classify properties of matter are physical properties and chemical properties. Physical properties can be observed or measured without changing the composition of the substance, while chemical properties describe how a substance changes into a new substance through a chemical reaction.
Is the following sentence true or false each mineral has its own specific properties?
True. Each mineral has its own unique set of physical and chemical properties that distinguish it from other minerals. These properties, such as hardness, color, luster, and crystal structure, can be used to identify and classify minerals.
Chemical Symbals are a. a shorthand way of representing the chemical elements. b. used to distinguish one group from another. c. used to classify elements. d. used only in the United States.?
a. a shorthand way of representing the chemical elements.
What term would you use to classify the two substance?
Chemical- the composition of the substance Physical- appearance of substance
How would you classify the color of a rose?
Chemical change.
Why do you classify calcium as a inorganic?
Calcium is a chemical element not a compound.
Is bread baking chemical or physical?
Classify it as chemical, the heat is used mainly to speed up the reaction.
How do you classify a rose?
How would you classify the color of a rose? A. chemical changeB. physical changeC. chemical propertyD. physical propertyChemical change, of course. When the colors interaction with air occurs it affect the amount of oxygen flowing to the stem and alters the color greatly.So.... a. chemical change
Is baking bread physical or chemical change?
Classify it as chemical, the heat is used mainly to speed up the reaction.
What can you classify besides organisms .science.?
Languages and chemical elements. Lots of others to.
How do geologists classify weathering changes?
they are neither physical nor chemical changes
On what basis do scientists classify the minerals?
Scientists classify minerals based on their chemical composition, crystal structure, physical properties, and chemical properties. This classification helps them understand the characteristics of different minerals and how they form in nature.
How do geologist classify a rock?
Geologists classify rocks by looking at their chemical and mineralogical composition then at the the size and shape of their component minerals then at any texture, pattern or grain that the rocks may display. They also classify them in relation to how they were formed.
What is used to classify metamorphic rocks?
texture, color, chemical reactions things like that.
What properties are sorting and separating used to classify matter?
Chemical property. :D good luck!
What chemical product is most commonly used to classify igneous rocks?
This substance is silicon dioxide.
