Is the burning of magnesium in oxygen?

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Description : Why should a magnesium ribbon be cleaned before burning in air ? -Chemistry-10

Last Answer : Magnesium gets covered with a layer of magnesium oxide when kept in air for a long time. This layer hinders the burning of magnesium. Hence, it is to be cleaned before burning.

Description : .Identify the physical and chemical changes from the following (i)Burning of magnesium in air (ii)Electrolysis of water (iii)Tarnishing of silver spoon (iv)Sublimation of iodine -Chemistry

Last Answer : (i) Burning of magnesium in air : Chemical change (ii) Tarnishing of silver spoon : Chemical change (iii) Sublimation of iodine : Physical change (iv) Electrolysis of water to form hydrogen and oxygen is also a chemical change.

Description : Is burning magnesium in the air a chemical change?

Last Answer : Yes. Burning anything is a chemical change.

Description : Why do the number of particles stay the same after burning magnesium?

Last Answer : Feel Free to Answer

Description : Give reason: During burning of magnesium not only magnesium oxide is formed but also magnesium nitride is formed.

Last Answer : Due to high temperature the triple bond between nitrogen atoms is broken and a small quantity of magnesium nitride is formed.

Description : During burning of magnesium, we should wear sun glasses to protect our eyes from white dazzling light as it: (a) damage the retina (b) leads to loss of our vision (c) both (a) & (b) (d) none of these

Last Answer : (c) both (a) & (b)

Description : Magnesium ribbon on burning in air produces a) magnesium oxide ,water and light c) magnesium oxide and heat b) magnesium oxide , heat and light d) magnesium oxide, water and heat

Last Answer : b) magnesium oxide , heat and light

Description : How can you justify that a reaction between magnesium and oxygen is a redox reaction w hile the reaction shows only addition of oxygen 2mg plus O 2mgo?

Last Answer : Oxidation is a redox reaction.

Description : What colour Residue will be formed when Magnesium burns in oxygen?

Last Answer : Feel Free to Answer

Description : Art B Calculate the number of moles of magnesium, chlorine, and oxygen atoms in 4.30 moles moles of magnesium perchlorate, Mg(Cl O 4 ) 2 Mg(ClO4)2 . Express the number of moles of Mg Mg , Cl Cl , and O O atoms numerically, separated by comma?

Last Answer : Answers is the place to go to get the answers you need and to ask the questions you want

Description : Non-metallic character increases from (1) Magnesium to Barium (2) Potassium to Cesium (3) Oxygen to Selenium (4) Sodium to Chlorine

Last Answer : (4) Sodium to Chlorine Explanation: The elements which lose electrons to form cations are known as metals. Metallic character decreases across a period as we move from left to right.

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Description : Write balanced chemical equations for the following word equations: (a) Iron + Chlorine → Iron (III) chloride (b) Magnesium + dil sulphuric acid → Magnesium sulphate + water (c) Magnesium + oxygen → ... oxide (d) Calcium oxide + water → Calcium hydroxide (e) Sodium + chlorine → Sodium chloride

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Last Answer : (c) Manganese and Chlorine

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Last Answer : (d) phosphorus and sulphur.

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Last Answer : (D) Oxygen

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Last Answer : c) It must have excessive sodium ,calcium and magnesium

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Last Answer : B carbon dioxide

Description : What is the formula of the compound formed between magnesium and oxygen? A MgO B Mg2O2 C Mg2O3 D MgO2 E Mg2O

Last Answer : A MgO

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Last Answer : ANSWER: Y -- OXYGEN

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Last Answer : Oxygen

Description : Sun burning without oxygen, how is that done?

Last Answer : It is a nuclear reaction. See here.

Description : If A log is burning in a fireplace. If the amount of oxygen reaching the log is decreased what happened to the reaction rate?

Last Answer : What is the answer ?

Description : Is the mass of wood and oxygen that allow it to burn equal the mass of ashes and the gas given off during the burning?

Last Answer : Yes. According to the law of conservation of mass, the mass ofall the reactants must be equal to the mass of all of theproducts.

Description : Why is water not suitable for putting out a petrol fire? (1) The oxygen content of water is isolated by petrol and thus it helps in burning (2) Petrol is too inflammable to be extinguished by ... very low (4) Water, being heavy, slips below petrol which thus remains in contact with air and burns

Last Answer : (4) Water, being heavy, slips below petrol which thus remains in contact with air and burns Explanation: Water is not effective on petrol fire because it has higher density than ... while petrol stays afloat and keeps burning. Petrochemical fires are nearly always extinguished with chemical foam.

Description : Why is water not suitable for putting out a petrol fire? (1) The oxygen content of water is isolated by petrol and thus it helps in burning (2) Petrol is too inflammable to be extinguished by ... very low (4) Water, being heavy, slips below petrol which thus remains in contact with air and burns

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Description : The open "Sigrees or coal stoves often require fanning to sustain burning because of (1) tendency of carbon dioxide to form a layer along with dust smoke (2) lack of oxygen in the ... 3) accumulation of smoke and dust over the sigrees (4) interrupted release of moisture from the material

Last Answer : (1) tendency of carbon dioxide to form a layer along with dust smoke Explanation: Burning coal requires oxygen to chemically react. The availability of oxygen is limited in the furnace by several factors ... dioxide from forming layer along with dust smoke so as to keep the supply of oxygen intact.

Description : Which one out of the following helps in burning? (1) Oxygen (2) Carbon monoxide (3) Nitrogen (4) Carbon dioxide

Last Answer : (1) Oxygen Explanation: Karl Scheele, the Swedish chemist, was the first to prepare oxygen by heating mercuric oxide in 1772. Joseph Priestley, the English chemist, also prepared oxygen in 1774 ... on mercuric oxide. Its elemental nature was, however, established by the French chemist, Lavoisier.

Description : Which one out of the following helps in burning? (1) carbon dioxide (2) oxygen (3) carbon monoxide (4) nitrogen

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Last Answer : (c). X- Sulphuric acid and Y- Hydrogen gas

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Last Answer : ANSWER: A -- PRODUCTION OF ATP

Description : The open "Sigrees" or coal stoves often require fanning to sustain burning because of (1) tendency of carbon dioxide to form a layer along with dust smoke (2) lack of oxygen in the ... 3) accumulation of smoke and dust over the sigrees (4) interrupted release of moisture from the material

Last Answer : tendency of carbon dioxide to form a layer along with dust smoke

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Last Answer : Oxygen

Description : Why is water not suitable for putting out a petrol fire ? (1) The oxygen content of water is isolated by petrol and thus it helps in burning (2) Petrol is too inflammable to be extinguished by ... very low (4) Water, being heavy, slips below petrol which thus remains in contact with air and burns 

Last Answer : Water, being heavy, slips below petrol which thus remains in contact with air and burns