Open QuestionClassify each of the following as an element, compound or mixture.a) Ammonia, NH3b) Gold barc) Orange juiced) Winee) Saline solution17views
Open QuestionClassify each of the following pure substances as an element or a compound:d. rust (Fe₂O₃)1views
Open QuestionA dietitian includes one of the following mixtures in the lunch menu. Classify each as homogeneous or heterogeneous.b. tea1views
Open QuestionWhich of these terms, (i) mixture, (ii) solid, (iii) liquid, (iv) gas, (v) chemical element, (vi) chemical compound, applies to the following substances at room temperature?a. Gasolineb. Iodinec. Waterd. Aire. Bloodf. Sodium bicarbonateg. Gaseous ammoniah. Silicon1views
Open QuestionHydrogen peroxide, often used in solutions to cleanse cuts and scrapes, breaks down to yield water and oxygen:Hydrogen peroxide, H₂O₂ (aq) → Hydrogen, H₂ (g) + Oxygen, O₂ (g)b. Which of the substances are chemical compounds, and which are elements?1views