An element E reacts with water to form a solution which turns phenolphthalein solution pink. The element E is most likely to be :

80 Zinc oxide is a metal oxide. Which of the following term best describes the nature of zinc oxide : 81 A metal less reactive and another metal more reactive than hydrogen are : 83 An element reacts with oxygen to give a compound with a high melting point. This compound is also soluble in water. The element is likely to be: 84 Which one of the following four metals would be displaced from the solution of its salt by the other three metals?