Chemistry GK Practice Question and Answer
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Q: Gas is produced by the reaction of steam on iron?
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612765e4b05363065a00aedf- 1Hydrogen gastrue
- 2Oxygen gasfalse
- 3ammonia gasfalse
- 4Nitrogen gasfalse
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Answer : 1. "Hydrogen gas"
Q: If an alloy contains a metal mercury, what is it called?
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6127659a93f02206607ef8f6- 1mercury alloyfalse
- 2Iron Alloyfalse
- 3Amalgamtrue
- 4Zinc Alloyfalse
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Answer : 3. "Amalgam"
Q: It is easy to make stone by beating metals. Which property of the metal does it indicate?
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6127655cb05363065a00ac0c- 1hardnessfalse
- 2malleabilitytrue
- 3conductivityfalse
- 4Activityfalse
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Answer : 2. "malleability"
Q: is silica?
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61276505b05363065a00aaf5- 1metalloidstrue
- 2metalfalse
- 3non-metalsfalse
- 4none of thesefalse
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Answer : 1. "metalloids"
Q: Which compound is formed when copper is burnt in air?
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612764bd93f02206607eefa2- 1copper hydroxidefalse
- 2copper hydridefalse
- 3Copper Oxidetrue
- 4nothingfalse
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Answer : 3. "Copper Oxide"
Q: The alloy of lead and tin is called?
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61276441dbe92e068b9154b4- 1Steelfalse
- 2metalloidsfalse
- 3Gun Matonfalse
- 4soldertrue
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Answer : 4. "solder"
Q: Which non-metal is liquid at room temperature?
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6127640793f02206607ee962- 1mercuryfalse
- 2aluminumfalse
- 3Brominetrue
- 4Copperfalse
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Answer : 3. "Bromine"
Q: What is an alloy of copper and tin called?
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612763cc93f02206607ee80f- 1brassfalse
- 2Duraluminfalse
- 3Bronzetrue
- 4Solderfalse
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Answer : 3. "Bronze"
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