1. Electrolysis of water is an example of which type of chemical reaction?
(a) Precipitation
(b) Decomposition
(c) Combination
(d) Displacement
2. Which of the following oxides is acidic?
(a) Na2O
(6) Ca2O
(c) CuO
(d) CO2
3. Which of the following oxides is amphoteric?
(a) K20
(b) Al2O3
(c) CO₂
(d) NO
Answers
Answered by
0
Explanation:
1)a) Displacement
2)a)b)Na2O and Ca2O
3) b)Al2O3
Answered by
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Answer:
1.(b)Decomposition
2.(d) CO2
3.(a)K2O
Explanation:
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