The formation of sodium chloride from gaseous sodium and gaseous chloride is a redox process. Justify.
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What is the law called which deals with the ratios of the volumes of the gaseous reactants and products of the volumes of the gaseous
Gay Lussac’s law of gaseous volumes.
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Write down the formula of (i) sodium oxide (ii) aluminium chloride (iii) sodium suphide (iv) magnesium hydroxide
(i) Sodium oxide → Na2O (ii) Aluminium chloride → AlCl3 (iii) Sodium suphide → Na2S (iv) Magnesium hydroxide → Mg(OH)2
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You are provided with a mixture containing sand, iron filings, ammonium chloride and sodium chloride.
Hint– Step-1 Separate iron filings with the help of a magnet Step-2 Sublimation of the remaining mixture separates ammonium chloride Step-3 Add water to the remaining mixture, stir and filter Step-4 The filtrate can...
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The rate of formation of NO is 3.6 x 10-3 mol L-1 sec-1 . Calculate the rate of disappearance of NH3 and rate of formation of H2 O
3.6 x 10-3 Ms-1 , 5.4 x 10-3 Ms-1
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Why is the electrolysis of a concentrated solution of sodium chloride known as chlor alkali process?
It is because of the products formed: chlor for chlorine and alkali for sodium hydroxide.
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What happens when a cold and concentrated solution of sodium chloride reacts with ammonia and carbon dioxide?
When a cold and concentrated solution of sodium chloride reacts with ammonia and carbon dioxide, sodium hydrogencarbonate (baking soda) and ammonium chloride is formed. NaCl + NH3 + H2O + CO2...
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Regular physical activities cannot stop the clock of ageing; but definitely it can slow the process. Justify.
Regular exercise always promotes healthy aging process. Getting older is a regular cycle of life. Regular exercise delays the changes which occur due to ageing. The role of regular exercise...
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“Regular physical activity can delay your ageing process.” Justify your answer in light of the effect of activities on physiological changes.
Regular exercise always promotes healthy aging process. Getting older is a regular cycle of life. Regular exercise delays the changes which occur due to ageing. The role of regular exercise...
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"Trade flourished and markets expanded in the 19th century, but there was a darker side to process." Justify the statement.
(i) In many parts of the world, these developments meant loss of freedom and livelihoods. (ii) Late 19th century Europeans conquest brought about many destructive economic, social and ecological changes in...
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What is redox reaction? When a magnesium ribbon burns in air with a dazzling flame and forms a white ash, is magnesium oxidised or reduced? Why?
i. The reaction in which one reactant gets oxidised and the other reactant gets reduced is called redox reaction. ii. When a magnesium ribbon burns in air with a dazzling flame...
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