An element burns in air to form an oxide.The aqueous solution of this oxide turns blue litmus paper red. State whether the element is a metal or non-metal.Name one such element.
An element burns in air to form an oxide.The aqueous solution of this oxide turns turmeric paper red. State whether the element is a metal or non-metal.Name one such element.
An element X on reacting with oxygen forms an oxide X2O. This oxide dissolves in water and turns red litmus blue. State whether element X is a metal or a non metal. Explain with proper example.
The element Z burns in air to form an oxide.The aqueous solution of this oxide turns blue litmus to red.
(a) carbon
(b) calcium
(c) iron
(d) magnesium
An element reacts with oxygen to form oxide which dissolve in dilute hydrochloric acid.the oxide formed turns a solution of red litmus blue. Is the element a metal or a nonmetal? Explain with an example.