1. In the science lab,the Grade VI pupils are preparing a mixture of salt and water.Which if the following statements describes the mixture? A.The salt dissolved in water and appeared as one substance. B.The salt can still be identified because salt is insoluble. C.The particles of the salt settled down at the bottom. D.The mixture became whiter.
2. It is a mixture of different gases essential to life which components cannot be identified and distringuished.Which of the following mixtures is being described above? A.Air B.Gasoline C. LPG D.kerosene