Chemistry GK Practice Question and Answer
8 Q: Is it an ore of zinc?
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6127594bdbe92e068b90f4f2- 1Zinc Bladetrue
- 2Bauxitefalse
- 3sodium chloridefalse
- 4Sinawarfalse
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Answer : 1. "Zinc Blade"
Q: What are the substances that participate in a reaction?
1027 05f698fe6f9079a64e3a5b205
5f698fe6f9079a64e3a5b205- 1considerationfalse
- 2Deductivefalse
- 3reactantstrue
- 4Oxidizerfalse
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Answer : 3. "reactants"
Q: Silver and copper heat?
1023 061275c9cdbe92e068b911a69
61275c9cdbe92e068b911a69- 1are the best driverstrue
- 2are less conductorsfalse
- 3are dielectricsfalse
- 4is the best conductorfalse
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Answer : 1. "are the best drivers"
Q: An acid must contain mainly one atom which reacts with the metal to produce a gas.
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5f697b4cf9079a64e3a5161a- 1Hydrogentrue
- 2oxygenfalse
- 3Nitrogenfalse
- 4Ammoniafalse
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Answer : 1. "Hydrogen"
Q: Hydrogen resembles the properties of which two groups of the periodic table?
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64a2b0fac7d7c7e0674a2640- 1Group 2 and Group 17false
- 2Group 1 and Group 3false
- 3Group 1 and Group 17true
- 4Group 2 and Group 4false
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Answer : 3. "Group 1 and Group 17"
Explanation :
1. Hydrogen matches the properties of the first group and seventh group of the periodic table.
2. Following is some additional information about the properties of hydrogen.
- Hydrogen is a highly flammable gas.
-Hydrogen is a major component of water.
- Hydrogen can be used as fuel.
Hydrogen is used in the chemical industry to make many types of products.
Q: What is an oxidation-reduction reaction called?
1017 05feb01ebf6205c4d625d0454
5feb01ebf6205c4d625d0454- 1endothermic reactionfalse
- 2Redox reactiontrue
- 3precipitation reactionfalse
- 4exothermic reactionfalse
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Answer : 2. "Redox reaction"
Q: What do you call the drugs that bind to the receptor site and inhibit its natural function?
1008 0649a98d3c7d7c7e0672b7673
649a98d3c7d7c7e0672b7673- 1Antidepressantsfalse
- 2Agonistfalse
- 3Antagoniststrue
- 4Depressantsfalse
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Answer : 3. "Antagonists"
Explanation :
1. Name: Antagonist
2. Mechanism of action: By binding to the surface of the receptor, they cause opposition to the natural function.
Q: Melting and boiling points of ionic compounds -
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61275b84b05363065a005e7a- 1contains the followingfalse
- 2are hightrue
- 3are normalfalse
- 4All the statements are truefalse
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