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Questions and Answers
What is the product when hydrochloric acid reacts with copper oxide?
What is the product when hydrochloric acid reacts with copper oxide?
- CuO(aq) + HCl(g)
- CuCl2(aq) + HO (correct)
- CuCl2(aq) + H2O
- CuCl(aq) + H2(g)
In a neutralization reaction, what are the products when sodium hydroxide reacts with hydrochloric acid?
In a neutralization reaction, what are the products when sodium hydroxide reacts with hydrochloric acid?
- NaCl(aq) + H2C
- NaCl(aq) + NaHCO3(s)
- NaCl(aq) + H2O (correct)
- NaOH(aq) + HCl(aq)
What happens when an excess of carbon dioxide is passed through lime water?
What happens when an excess of carbon dioxide is passed through lime water?
- Milkiness disappears
- Lime water turns yellow
- Lime water turns clear
- Milkiness appears due to the formation of calcium carbonate (correct)
When a base reacts with a non-metallic oxide, what is the product formed?
When a base reacts with a non-metallic oxide, what is the product formed?
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What ions do bases give in the presence of water?
What ions do bases give in the presence of water?
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Which gas is produced when an acid reacts with water?
Which gas is produced when an acid reacts with water?
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What are amphoteric oxides?
What are amphoteric oxides?
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What is an alkali?
What is an alkali?
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What is the test for carbon dioxide mentioned in the text?
What is the test for carbon dioxide mentioned in the text?
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