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
i have no idea :)
wood, leaves, paper, wax, hydrogen gas, ethanol, methane, propane, propene, benzene (Propane and and propene are two different substances- propene has an extra double bond.)
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.
A mixture contain two or more pure substances.
Wood and styrofoam, to name two.
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.
Mixtures are formed from two or more substances.
oxygen and heat!
Matter can be divided into two categories: pure substances and mixtures. Pure substances are made up of only one type of atom or molecule, while mixtures contain two or more different substances physically combined.