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23. (a) From the above chemical equation, we get the following information that when calcium carbonate reacts with dilute hydrochloric acid, we get calcium chloride, water and carbon dioxide gas is evolved. Brisk effervescence (bubbling) is seen as CO₂ rises up the solution.
(b) The temperature, pressure and other suitable conditions are not mentioned. The state (solid, liquid or gaseous) in which calcium chloride is formed is not mentioned (but we know, since calcium chloride is soluble in water, aqueous CaCl₂ is formed.
24.
(a) 3Mg + N₂ ----> Mg₃N₂
(b) 3Fe + 4H₂O ----> Fe₃O₄ + 4H₂
(c) C₆H₁₂O₆ + 6O₂ -----> 6CO₂ + 6H₂O
(d) 2Al + 3H₂O -----> Al₂O₃ + 3H₂
HOPE MY ANSWER IS SATISFACTORY!Thanks!
23. (a) From the above chemical equation, we get the following information that when calcium carbonate reacts with dilute hydrochloric acid, we get calcium chloride, water and carbon dioxide gas is evolved. Brisk effervescence (bubbling) is seen as CO₂ rises up the solution.
(b) The temperature, pressure and other suitable conditions are not mentioned. The state (solid, liquid or gaseous) in which calcium chloride is formed is not mentioned (but we know, since calcium chloride is soluble in water, aqueous CaCl₂ is formed.
24.
(a) 3Mg + N₂ ----> Mg₃N₂
(b) 3Fe + 4H₂O ----> Fe₃O₄ + 4H₂
(c) C₆H₁₂O₆ + 6O₂ -----> 6CO₂ + 6H₂O
(d) 2Al + 3H₂O -----> Al₂O₃ + 3H₂
HOPE MY ANSWER IS SATISFACTORY!Thanks!
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