Wood contains Cellulose (40-50%), hemixenluloza(15-25%) and lignin(15-30%) mainly.
Homogeneous mixtures contain only one substance, like Coke.Heterogeneous mixtures contain two or more substances, like salad dressing.
Substances which undergoes burning is combustible substances. eg: paper ,cloth , wood substances which doesnt undergoes burning is non_combustible substances. eg: stone, bricks soil ,water. So, paper is combustible .
Gas Jar
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Matter can be generally classified into two categories: solids, liquids, and gases, which are based on their physical states, and pure substances and mixtures, which are based on their composition. Pure substances consist of a single type of particle and can be elements or compounds, while mixtures contain two or more different particles that can be physically separated. These classifications help in understanding the properties and behaviors of different materials.
A mixture contain two or more substances (compounds).
Two substances that contain nitrogen are ammonia (NH3) and nitric acid (HNO3). Both of these substances are commonly used in various industrial and agricultural applications.
Mixtures contain two or more compounds.
Oil and wood are two substances that will float on water due to their lower density compared to water.
Wood and styrofoam, to name two.
A mixture contain two or more pure substances.
A mixture contain two or more substances.
It is not a mixture if it does not contain at least two substances.
The meaning is that these two substances cannot react.
oxygen and heat!
Mixtures are formed from two or more substances.
No, a magnet will not attract a wood ruler. Wood is a non-magnetic material, meaning it does not contain ferromagnetic substances that would respond to a magnet's magnetic field. Therefore, there will be no attraction between the magnet and the wood ruler.