Directions: Classify the following substance into soluble or insoluble. Put a check (✓) mark if it is soluble and a cross (x) mark if it is insoluble. 1. Sand-Water 2. Pepper-Vinegar 3. Evaporated Milk-Water 4. Monosodium glutamate (Vetsin)-Soy sauce 5. Tawas (Alum Crystal)-Alcohol