relating to or denoting a state of a liquid crystal in which the molecules are oriented in parallel but not arranged in well-defined planes. Compare with smectic . noun a nematic substance. ORIGIN early 20th cent.: from Greek nēma, nēmat- ‘thread’ + -ic .
Smectic is defined as a state of liquid crystal in which the molecules are oriented in parallel and arranged in well-defined planes. Nematic is defined as a state of liquid crystal in which the molecules are parallel but not arranged in well-defined planes.
oxidising substances are substances which gives oxygen or gains hydrogen
Substances that are not pure.
The substances that are hard and which cannot be scratched is known as hard substances
There are very few pure substances around us. Most substances are mixtures, or compounds.
Substances????
Nematic means: relating to or denoting a state of a liquid crystal in which the molecules are oriented in parallel but not arranged in well-defined planes.
John Bechhoefer has written: 'Directional solidification at the nematic-isotropic interface'
The elements of ecosystem is so important. They provide the needs of a place where both living and non-living things exist and interact with each other. The 7 common substances of ecosystem are: abiotic substances, biotic substances,biot substances,bio substances,bi substances,b substances, and substances.
Chemical
what is the substances of hydrogen
Which substances are compounds?
Which substances could you use to demonstrate morphing Are these substances fluids?
Compound substances.
oxidising substances are substances which gives oxygen or gains hydrogen
Yes, compounds are substances.
Antioxidants
Substances that are not pure.