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प्रश्न
Convey the following information in the form of a balanced chemical equation:
"An aqueous solution of ferrous sulphate reacts with an aqueous solution of sodium hydroxide to form a precipitate of ferrous hydroxide and sodium sulphate remains in solution."
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उत्तर
FeSO4 (aq) + 2NaOH (aq) → Fe(OH)2 (s) + Na2SO4 (aq)
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संबंधित प्रश्न
Give one example of a chemical reaction.
Complete and balance the following equation:
CA (OH)2 + ............. 
CaCO3 + H2O
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AI(OH)3 
AI2O3 +H2O
Balance the given equation:
HNO3 + Ca(OH)2 
Ca(NO3)2 + H2O
Balance the gievn equation:
NaOH + H2SO4 
Na2SO4 + H2O
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The chemical reaction between two substances is characterised by a change in colour from orange to green. These two substances are most likely to be:
(a) potassium dichromate solution and sulphur dioxide
(b) potassium permanganate solution and sulphur dioxide
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A colourless lead salt, when heated, produces a yellow residue and brown fumes.
(a) Name the lead salt.
(b) Name the brown fumes.
(c) Write a chemical equation of the reaction involved.
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Give reason for the following:
Silver salts are kept in dark coloured bottles.
An element X is trivalent. Write the balanced equation for the combustion of X in oxygen.
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- Iron metal is getting oxidised
- Water is getting reduced
- Water is acting as reducing agent
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