Chemistry Practice Question and Answer
8 Q: Electronic configuration of the outer shell of the element Gd with atomic number 64 is
1334 063c923ad1e8e3f3e1a3a6f02
63c923ad1e8e3f3e1a3a6f02- 14f4 5df 6s1false
- 24f3 5df 6s2false
- 34f5 5d4 6s1false
- 44f7 5d1 6s2true
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Answer : 4. "4f7 5d1 6s2"
Q: Which of the following is not necessary for photosynthesis?
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5f86a738b7ad805e26c18d43- 1Oxygentrue
- 2Chlorophyllfalse
- 3Sunlightfalse
- 4Carbon dioxidefalse
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Answer : 1. "Oxygen "
Q: What type of indicator is turmeric, litmus paper etc.?
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5f697f86397b1a52908c1013- 1synthesizedfalse
- 2Naturaltrue
- 3Natural and synthesizedfalse
- 4Othersfalse
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Answer : 2. "Natural"
Q: Bronze is an alloy of –
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5f15567f4cff381d162659f7- 1Copper and zincfalse
- 2Copper and Leadfalse
- 3Copper and Tintrue
- 4Copper and Silverfalse
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Answer : 3. "Copper and Tin "
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: Lewis concept does explain the behaviour of __________
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63c7bc051c47ef334bdd8c98- 1Basesfalse
- 2Saltsfalse
- 3Protonic acidstrue
- 4Amphoteric substancesfalse
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Answer : 3. "Protonic acids"
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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