Liquid Crystals , Properties of Liquid Crystal and their uses 1. Liquid Crystal The Liquid Crystal state is intermediate state between solids and liquids. The substances which have arrangements like solids but freedom of motion like liquids are called liquid crystals. 2. Properties of Liquid Crystal 3. Use of Liquid Crystals i. Temperature sensors ii. Detect Potential Failure iii. Thermometer iv. Diagnosis v. LCD Liquid And Solids chapter No 4 chemistry part 1