Chemistry GK Practice Question and Answer
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Q: Herbs- The decomposition of vegetables into compost is an example of which reaction?
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5f697a52f9079a64e3a50eab- 1endothermicfalse
- 2exothermictrue
- 3substitutionfalse
- 4Amphibianfalse
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Answer : 2. "exothermic"
Q: What type of chemical reaction is combustion of natural gas?
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5f6979af558d255013b234b3- 1combination reactionfalse
- 2decomposition reactionfalse
- 3exothermic reactiontrue
- 4dissolution reactionfalse
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Answer : 3. "exothermic reaction"
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 of the following drugs is used to treat indigestion?
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5f697fd0397b1a52908c1074- 1Antacidtrue
- 2Antibioticfalse
- 3Analgesicfalse
- 4Antisepticfalse
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Answer : 1. "Antacid"
Q: What are the substances that participate in a reaction?
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5f698fe6f9079a64e3a5b205- 1considerationfalse
- 2Deductivefalse
- 3reactantstrue
- 4Oxidizerfalse
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Answer : 3. "reactants"
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: Which of the following is not oxidized?
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5f69801f558d255013b26335- 1combustionfalse
- 2precipitationtrue
- 3Digestion of foodfalse
- 4Respirationfalse
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Answer : 2. "precipitation"
Q: Which of the following metals are kept immersed in kerosene?
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61275d24dbe92e068b911ce2- 1Sodiumtrue
- 2Magnesiumfalse
- 3Zincfalse
- 4allfalse
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Answer : 1. "Sodium"
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