Chemistry GK Practice Question and Answer
8 Q: The litmus dye is purple in color, which is removed?
1229 05f697e9cf9079a64e3a51e91
5f697e9cf9079a64e3a51e91- 1Redfalse
- 2Lichentrue
- 3Cabbage Turmericfalse
- 4Petunia flowerfalse
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Answer : 2. "Lichen"
Q: Is it an ore of zinc?
1224 06127594bdbe92e068b90f4f2
6127594bdbe92e068b90f4f2- 1Zinc Bladetrue
- 2Bauxitefalse
- 3sodium chloridefalse
- 4Sinawarfalse
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Answer : 1. "Zinc Blade"
Q: Silver and copper heat?
1220 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: What do you call the drugs that bind to the receptor site and inhibit its natural function?
1218 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 -
1210 061275b84b05363065a005e7a
61275b84b05363065a005e7a- 1contains the followingfalse
- 2are hightrue
- 3are normalfalse
- 4All the statements are truefalse
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Answer : 2. "are high"
Q: In 1845, which German chemist published a method for the synthesis of acetic acid, a natural product containing two carbon atoms?
1197 0649aa86b1a612ce001f66c19
649aa86b1a612ce001f66c19- 1Friedrich Wohlerfalse
- 2Marcellin Berthelotfalse
- 3Joseph Gay-Lussacfalse
- 4Hermann Kolbetrue
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Answer : 4. "Hermann Kolbe"
Explanation :
1. In 1845, the German chemist who published a method for the synthesis of 'acetic acid', a natural product containing two carbon atoms, was Hermann Kolbe.
2. He created carbon disulfide with chlorine, and the end result was carbon tetrachloride.
Q: What are the substances that participate in a reaction?
1195 05f698fe6f9079a64e3a5b205
5f698fe6f9079a64e3a5b205- 1considerationfalse
- 2Deductivefalse
- 3reactantstrue
- 4Oxidizerfalse
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Answer : 3. "reactants"
Q: Gold is used to make jewelery?
1191 061275c5e302e8b067c99c5ab
61275c5e302e8b067c99c5ab- 122 caratstrue
- 224 caratfalse
- 316 caratsfalse
- 423 caratsfalse
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