A metal which burns in air with a dazzling white flame is ____________.

Academic Chemistry NCERT Class 10

A metal which burns in air with a dazzling white flame is Magnesium.

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Updated on: 10-Oct-2022

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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 is added to powder Y, it dissolves partially to form another substance Z.(a)What could metal X be? (b) What is powder 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 in air to form powder Y.
When a burning magnesium ribbon is introduced in a gas jar containing oxygen, it will burn with :(1) a reddish flame (2) a pale blue flame (3) a golden yellow flame (4) a dazzling white flame
Camphor burns with a flame, but charcoal glows. Why ?
Which of the following burns without producing a flame?camphocokecooking gaskerosene
Which among the following statements is incorrect for magnesium metal?(a) It burns in oxygen with a dazzling white flame.(b) It reacts with cold water to form magnesium oxide and evolves hydrogen gas.(c) It reacts with hot water to form magnesium hydroxide and evolves hydrogen gas.(d) It reacts with steam to form magnesium hydroxide and evolves hydrogen gas.
Which substances burn with a flame?
A shining metal ‘M’, on burning gives a dazzling white flame and changes to a white powder ‘N’. (a) Identify ‘M’ and ‘N’. (b) Represent the above reaction in the form of a balanced chemical equation. (c) Does ‘M’ undergo oxidation or reduction in this reaction? Justify.
(a) What is a redox reaction? Explain with example.(b) When a magnesium ribbon burns in air with a dazzling flame and forms a white ash, is magnesium oxidised or reduced? Why?(c) In the reaction represented by the equation:MnO2 + 4HCl ----> MnCl2 + 2H2O + Cl2 (i) name the substance oxidised. (ii) name the oxidising agent.(iii) name the substance reduced. (iv) name the reducing agent.
Why white flame is obtained when we burnt a magnesium ribbon?
Name a metal which is soft and a non-metal which is hard.
Why does a goldsmith blow air into the kerosene lamp flame with a blow-pipe?
Which zone of a candle flame is the hottest?
A non-metal which is lustrous is ________.
Ethanoic acid was added to sodium hydrogen-carbonate solution and the gas evolved was tested with a burning splinter. The following four observations were reported:(a) The gas burns with the pop sound and the flame gets extinguished.(b) The gas does not burn but the splinter burns with a pop sound.(c) The flame extinguishes and the gas does not burn.(d) The gas burns with a blue flame and the splinter burns brightly.The correct observation is reported in :(1) (a) (2) (b)(3) (c) (4) (d)
Name one substance which undergoes spontaneous combustion(or burns in air at room temperature).

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