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A silvery-white metal X taken in the form of ribbon, when ignited, burns in air with a dazzling white flame to form a white powder Y, When water water is added to power Y, it dissolves partially to form another substance Z. (a) What could metal X be ? (b) What is power Y ? (c) With which substance metal X combines to form powder Y ? (d) What is substance Z ? Name one domestic use of substance Z. (e) Write a balanced chemical equation of the reaction which takes place when metal X burns is air to form powder Y. |
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Answer» A silvery-white metal X taken in the form of ribbon, when ignited, burns in air with a dazzling white flame to form a white powder Y, When water water is added to power Y, it dissolves partially to form another substance Z. (a) What could metal X be ? (b) What is power Y ? (c) With which substance metal X combines to form powder Y ? (d) What is substance Z ? Name one domestic use of substance Z. (e) Write a balanced chemical equation of the reaction which takes place when metal X burns is air to form powder Y. |
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