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Question
Write a balanced equation for the preparation of the following salts:
Copper sulphate from Copper Carbonate.
Solution
`CuCO_3 + H_2SO_4 -> CuSO_4 + CO_2 + H_2O`
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RELATED QUESTIONS
State whether the following statement is true or false:
Copper sulphate crystals are always wet due to the presence of water of crystallisation in them.
Complete and balance the following chemical equations:
`NaCI (aq) + H_2O (l) `
The aqueous solution of one of the following salts will turn red litmus to blue. This salt is:
(a) potassium sulphate
(b) sodium sulphate
(c) sodium chloride
(d) potassium carbonate
P and Q are aqueous solutions of sodium chloride and sodium hydroxide, respectively. Which of these will turn:
red litmus blue?
The metal salt A is blue in colour. When salt A is heated strongly over a burner, then a substance B is eliminated and a white powder C is left behind. When a few drops of a liquid D are added to powder C, it becomes blue again. What could be A, B, C and D
Give one example of a salt which gives an aqueous solution having:
pH less than 7
Give one example of a salt which gives an aqueous solution having:
pH equal to 7
Write the name and formula of one salt each which contains:
two molecules of water of crystallisation
How many molecules of water of crystallisation (per formula unit) are present in:
copper sulphate crystals?
Taking sodium carbonate as an example, give the meaning of the following terms: Anhydrous.
