Titration Â» End point detection. All methods of the end point detection are based on the visible changes of the solution properties. The most obvious selection can be change in solution color, but also rapid changes in solutions turbidity are easy to spot. Color changes are not instant.
Apart from garden decoration, annuals such as morning glory, climbing snapdragon, hyacinth bean and passion flower are useful in decorating walls, fences and providing shades. These flowers are known as climbing annuals and they are planted instead of perennials sometimes.
Biennial are plants whose lifecycle spans two years, so they flower and produce seeds in their second year. A familiar biennial is foxglove, Digitalis purpurea. Some plants grown as biennials are, botanically speaking, short-lived perennials, for example, sweet william and wallflower.ardy annuals are plants that go through their entire life cycle in one season and that can be sown outside in the open garden in spring where it is to flower, for example, Centaurea cyanus â cornflower.