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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
What are the physical characteristics of the gentian plant?
The gentian plant grows to a height of 4 ft (1.2 m) producing a spike of showy yellow-orange flowers with a single long tap root that can extend as far as 3 ft. (1 m) into the earth.
What are the physical characteristics of foxglove?
In its second season it produces a tall, leafy flowering stalk that grows 3-4 ft (0.9-1.2 m) tall, producing many tubular, bell-shaped flowers, they are about 2 in (5.08 cm) long and from white to purple.
Is producing something new a physical or a chemical change?
That depends on your definition of producing something new. If you cut lumber to build a table ... you have produced something new, but that is a physical change. Wood is still wood. But if you mean combining two or more substances, like hydrogen gas and oxygen gas, and, after burning, you form water, then that is a chemical change.
What are the 3 requirements are needed to make fire?
Heat + Air + Fuel
What are the three most important factors that drive evolution of species?
1:physical features in common 2:capable of inter breeding 3:producing fertile off springs
Four factors which influence the nutritional requirements of humans?
There are four main factors that influence food choices. These factors include income, availability, cooking methods and facilities as well as cultural background.
What are the specific jobs of ants?
stilling food,marching and attacking people (red ants)
What are the physical needs for infancy 0-3 years?
the child needs food, clothes and shelter of a good quality. it needs, not only its physical but also, its intellectual emotional and social needs met.
What are the physical needs for infancy 0 3 years?
the child needs food, clothes and shelter of a good quality. it needs, not only its physical but also, its intellectual emotional and social needs met.
What is 75 percent compliant?
Complies with requirements 75% of the time or satisfies requirements in 3 quarters of the of the total requirements.
What are three ways of producing organisms with desire traits?
what are 3 three ways of producing organism with desired traits
What were the requirements and costs of relocating to Texas?
What were the requirements (3) and cost of relocating to Texas?
What are the Diablo 3 system requirements?
The requirements can be found at the official Diablo III website.
What are the requirements to become a pentecostal pastor?
1 tim 3 and titus 1 have the requirements
What laptops can run diablo 3?
Any laptop that meets the requirements can run it. You have to compare the your laptop's specifications to the Diablo 3 requirements.
Do physical activity and food intake determine body weight?
Yes It determines your body weight. You need physical activity to maintain a healthy life. You should eat healthy as well to maintain.~ Keeanna
