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What is the process causing rocks to change composition when reacting with oxygen?
oxidation
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Which type of weathering causes the mineral composition of rocks to change?
Chemical weathering is the type of weathering that causes the mineral composition of rocks to change. This process occurs when minerals in rocks react with elements in the environment, causing a chemical reaction that alters the rock's mineral composition over time.
Is a piece of ice melting and reacting with sodium a physical or chemical change?
The melting of ice is a physical change, as it changes from solid to liquid without altering its chemical composition. However, when the melted ice reacts with sodium to form a new compound, it is a chemical change because the chemical composition of the substances involved is altered.
Is lightning a chemical or physical change?
Lightning is a physical change. It results from the movement of charged particles in the atmosphere, causing a visible electrical discharge. This process does not involve any change in the composition of the substances involved, making it a physical change.
What do you call the process in which crystals change in size or composition?
The process through which crystals change in size or composition is known as crystallization. This can occur through various mechanisms such as cooling, evaporation, or chemical reactions, leading to the formation of new crystals with different properties.
What is a rock formed when high heat and great pressure change existing rocks?
A metamorphic rock is formed when existing rocks are subjected to high heat and pressure, causing their mineral composition and texture to change. This process occurs deep within the Earth's crust or during tectonic plate movements.
Which type of weathering causes the mineral composition of rocks to change?
Chemical weathering is the type of weathering that causes the mineral composition of rocks to change. This process occurs when minerals in rocks react with elements in the environment, causing a chemical reaction that alters the rock's mineral composition over time.
What is a flower petal turning brown a physical or chemical change?
A flower petal turning brown is a chemical change. This is because the process involves a chemical reaction that alters the composition of the pigment in the petal, causing it to change color.
Is a piece of avocado turning brown a chemical change or a physical change?
The browning of an avocado is a chemical change. This process, known as oxidation, occurs when enzymes in the avocado interact with oxygen in the air, causing a change in the chemical composition of the fruit.
What process causes the mineral composition of the rock to change?
The process is called metamorphism, the alteration of chemical composition or structure due to heat and/or pressure.
IS bees creating wax from sugar a physical or chemical change?
The process of bees creating wax from sugar is a physical change. It involves the physical transformation of the sugar molecules into wax molecules without any change in the chemical composition of the substances.
What is the difference between dissolving and reacting?
Dissolving is a physical process where a solute disperses uniformly in a solvent, without forming new substances. On the other hand, a reaction is a chemical process where reactants undergo a change in their chemical structure to form new products. Dissolving does not involve a chemical change, while reacting does.
What process most likely caused the change in atmospheric composition?
photosynthesis
The breaking up of rocks of the earth without causing a change in their chemical composition is?
chemical weathering
Is the melting of ice a chemical or a physical process?
The melting of ice is a physical process because it does not involve any change in the chemical composition of the substance. It is the result of heat energy causing the solid ice to transition into liquid water.
Is reacting a physical change or chemical change?
Reacting can involve both physical changes and chemical changes. Physical changes involve alterations in the physical state of a substance without changing its chemical composition, while chemical changes involve the formation of new substances with different chemical compositions.
Is oxidizing a physical or chemical change?
Oxidizing is a chemical change, as it involves a substance reacting with oxygen to form new compounds with different properties. In contrast, physical changes do not alter the chemical composition of a substance.
Is rust forming on a nail left outside a physical or chemical change?
because the chemical composition of the nail is changed, forming a new substance (the rust)
