Explanation:
Given -
To Find -
Now,
1) Calcium oxide + Carbon dioxide → Calcium carbonate
When calcium oxide reacts with carbon dioxide it forms calcium carbonate. (Combination reaction)
Chemical equation :-
CaO + CO2 → CaCO3 (Already balanced)
2) Magnesium + sulphuric acid → Magnesium sulphate + Hydrogen
When magnesium reacts with sulphuric acid it forms magnesium sulphate and hydrogen gas. (Displacement reaction)
Mg + H2SO4 → MgSO4 + H2 (Already balanced)
3) Potassium nitrate → Potassium nitrite + Oxygen
When potassium nitrate is heated then it breaks down into potassium nitrite and oxygen gas. (Decomposition reaction)
2KNO3 → 2KNO2 + O2
Answer:
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Verified answer
Explanation:
Given -
To Find -
Now,
1) Calcium oxide + Carbon dioxide → Calcium carbonate
Solution :-
When calcium oxide reacts with carbon dioxide it forms calcium carbonate. (Combination reaction)
Chemical equation :-
CaO + CO2 → CaCO3 (Already balanced)
2) Magnesium + sulphuric acid → Magnesium sulphate + Hydrogen
Solution :-
When magnesium reacts with sulphuric acid it forms magnesium sulphate and hydrogen gas. (Displacement reaction)
Chemical equation :-
Mg + H2SO4 → MgSO4 + H2 (Already balanced)
3) Potassium nitrate → Potassium nitrite + Oxygen
Solution :-
When potassium nitrate is heated then it breaks down into potassium nitrite and oxygen gas. (Decomposition reaction)
Chemical equation :-
2KNO3 → 2KNO2 + O2
Answer:
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