Chemistry GK Practice Question and Answer
8 Q: Which of the following is not oxidation?
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5f698ddb558d255013b2a71b- 1precipitationtrue
- 2Digestion of foodfalse
- 3Respirationfalse
- 4combustionfalse
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Answer : 1. "precipitation"
Q: Which law was studied in the year 1787, in which it was said that the volume of a gas increases with its absolute temperature and if its absolute temperature decreases, then its volume will decrease?
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64b5204188d5e4f52dd2277b- 1Boyle’s lawfalse
- 2Dalton’s lawfalse
- 3Avogadro’s lawfalse
- 4Charles's lawtrue
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Answer : 4. "Charles's law"
Explanation :
1. Charles's law (also known as volume law) is an experimental gas law.
2. The volume of a gas increases with its absolute temperature and as its absolute temperature decreases its volume also decreases.
3. Charles's law was studied in the year 1787.
Q: With which substance is it beneficial to treat a bee sting?
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5feb05e8f33a00432afefd0e- 1Baking Sodatrue
- 2sodium carbonatefalse
- 3sodium chloridefalse
- 4Othersfalse
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Answer : 1. "Baking Soda"
Q: Which acid is in tamarind?
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5feb019d00e3f71b828c0ce7- 1Methanoic acidfalse
- 2Tartaric acidtrue
- 3lactic acidfalse
- 4Oxalic acidfalse
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Answer : 2. "Tartaric acid"
Q: What type of reaction is corrosion?
1293 05f698e99473e9b04bc1fb350
5f698e99473e9b04bc1fb350- 1Reduction reactionfalse
- 2precipitation reactionfalse
- 3oxidation reactiontrue
- 4combination reactionfalse
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Answer : 3. "oxidation reaction"
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: Which of the following elements is NOT a component of baking soda?
1282 164bfc857a2d4dcaf044da339
64bfc857a2d4dcaf044da339- 1Hydrogenfalse
- 2Calciumfalse
- 3Sodiumfalse
- 4Oxygentrue
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Answer : 4. "Oxygen"
Explanation :
1. Which of the following calcium elements is not a component of baking soda?
2. The chemical formula of baking soda is NaHCO3, which is composed of four elements sodium, hydrogen, carbon and oxygen.
3. Baking soda is an alkaline substance used as a leavening agent in baking.
Q: Which of the following properties does not show metals?
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5eeadf8e13d72d584fb2f4b0- 1Sound naturefalse
- 2Tensilefalse
- 3electrical conductivityfalse
- 4Mandatatrue
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