and chemical changes as they cook.
One of the ingredients for her main course undergoes physical changes. Which of the
following is a physical change?
boiling water
cooking eggs
O grilling hamburgers
O baking bread
Boiling water is an example of physical change as it does not cause any change in the chemical composition of water.
Physical changes are defined as changes which affect only the form of a substance but not it's chemical composition. They are used to separate mixtures in to chemical components but cannot be used to separate compounds to simpler compounds.
Physical changes are always reversible using physical means and involve a change in the physical properties.Examples of physical changes include melting,boiling , change in texture, size,color,volume and density.Magnetism, crystallization, formation of alloys are all reversible and hence physical changes.
They involve only rearrangement of atoms and are often characterized to be changes which are reversible.
Learn more about physical changes,here:
#SPJ2
Answer:
Boiling water
Explanation:
A. hard work
B. hard pleasure
C. deep thought
D. outward-seeking
Answer:
its B actually
Explanation:
wow brainy just recommends any body huh?
cellular
organ
system
Answer:a) Tissue
Explanation: even though it looks hard, the bone is still a tissue along with ligaments and cartilage