A magnesium ribbon is burnt in oxygen to give a white compound X accompanied by emission of light.
A magnesium ribbon is burnt in oxygen to give a white compound X accompanied by emission of light. If the burning ribbon is now placed in an atmosphere of nitrogen, it continues to burn and forms a compound Y.
(i) Write the chemical formula of X and Y.
(ii) Write the balanced chemical equation when X is dissolved in water
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(i) 2Mg + O2→ 2MgO + Light
3Mg + N2→ Mg3N2
(a) X is MgO; Y is Mg3N2
(b) MgO + H2O→ Mg(OH)2
(ii) Grapes when attached to the plants are living and therefore, their own immune system prevents fermentation. The microbes can grow in the plucked grapes and under anaerobic conditions these can be fermented. This is a chemical change.
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