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Is when it remains unchanged in the presence of nitrogen chemical or physical?
Wiki User
∙ 6y ago
When something remains unchanged in the presence of nitrogen is it a physical change?
Wiki User
∙ 14y ago
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The red color of rubies is due to the presence of chromium ions physical or chemical?
chemical
Is hydrogen burning a physical or chemical change?
burning in presence or absence of oxygen is a chemical change.
How does nitrogen gas react with magnesium?
Magnesium nitride is formed when magnesium powder is burned in the presence of nitrogen gas.
What is the chemical used to test for the presence of starch?
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Which chemical changes the color of nitric acid?
Nitric acid in its pure form is colorless. The color changes to brownish-yellow due to the presence of nitrogen dioxide (NO2). This nitrogen dioxide usually forms when bottles containing nitric acids are not properly capped. Nitric acid reacts with oxygen in the air to form nitrogen dioxide which remains dissolved in the acid to give this particular color.
The red color of rubies is due to the presence of chromium ions physical or chemical?
chemical
Is burns in the presence of oxygen physical or chemical change?
The process of burning in the presence of oxygen is that of a chemical change. It is a chemical change and not a physical change because the prodects do not have the same properties as the reactants.
is Wood is FLAMMABLE Physical or Chemical?
Chemical: flammability requires a chemical reaction to occur in the presence of oxygen at a sufficiently high temperature.
Is hydrogen burning a physical or chemical change?
burning in presence or absence of oxygen is a chemical change.
When was A Physical Presence created?
A Physical Presence was created in 1985-03.
When was A Physical Presence - song - created?
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Is cooked food a chemical or physical change?
Cooking mainly is a chemical process in which we use acids like lime juice , alkalies and also some neutral solutions like water. The chemical reaction of these ingredients in presence of temperature gives food. Cooking can also be considered as a physical change since the physical features of the ingredients are changing.
How does nitrogen gas react with magnesium?
Magnesium nitride is formed when magnesium powder is burned in the presence of nitrogen gas.
What does the presence of nitrogen compound in water indicate?
vegetable nutrients in water
Nitrogen oxides react with pollutants in the presence of sunlight to form what?
Ozone
Is corrosion of aluminium metal a physical process?
No, corrosion of aluminum metal is a chemical process. It occurs when aluminum reacts with oxygen in the presence of moisture, forming a layer of aluminum oxide on the surface. This chemical reaction leads to the degradation of the metal over time.
What happens when hydrogen and nitrogen are combined in the presence of heat?
They react to form ammonia
