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1 | |
The highly reactive gas fluorine reacts with the compound potassium bromide. What is the best description of this reaction and its chemical equation? |
| | A) | double replacement reaction, with products KF(aq) + Br(l) |
| | B) | double replacement, with products 2KF(aq) + Br2(l) |
| | C) | single replacement, with products KF(aq) + Br2(l) |
| | D) | single replacement, with products 2KF(aq) + Br2(l) |
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2 | |
A neutralization reaction occurs between potassium hydroxide and nitric acid. What is the best description of this reaction? |
| | A) | double-replacement, with water as one of the products |
| | B) | double replacement, with hydrogen gas as one of the products |
| | C) | single-replacement, with hydrogen gas as one of the products |
| | D) | single-replacement, with water as one of the products |
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3 | |
A reaction occurs between two chemicals. Neither chemicals are oxygen, but one chemical is another element. What type of reaction could this be? |
| | A) | decomposition |
| | B) | double-replacement |
| | C) | hydrocarbon combustion |
| | D) | single-replacement |
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4 | |
What is the best description of the reaction between silver metal and chlorine gas? |
| | A) | formation reaction, producing AgCl2(s) |
| | B) | formation reaction, producing AgCl(s) |
| | C) | single replacement reaction, producing AgCl(s) + Cl(g) |
| | D) | single-replacement reaction, producing AgCl(s) + Cl2(g) |
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5 | |
Hydrogen peroxide, H2O2(l), breaks down into water and oxygen gas. Which description below best fits this reaction? |
| | A) | single-replacement reaction, with products 2H2O(l) + O2(g) |
| | B) | single-replacement reaction, with products H2O(l) + O(g) |
| | C) | decomposition reaction, with products 2H2O(l) + O2(g) |
| | D) | decomposition reaction, with products H2O(l) + O(g) |
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6 | |
What products would be produced by the complete combustion of octane, C8H18(l), a component of gasoline? |
| | A) | carbon and water vapour |
| | B) | carbon monoxide and water vapour |
| | C) | carbon dioxide, carbon monoxide, and water vapour |
| | D) | carbon dioxide and water vapour |
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