Chemistry Questions Practice Question and Answer
8 4 Q:
63c7c1e71c47ef334bdd967e 4 Q:
62ebdd1b4404a856fa1fc772 4 Q:
6389b606c878936066e6e499 4 Q:
647de965e72c4684a1dcb8b3 4 Q:
63c922a87efeed32fc213a76 4 Q:
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63c7b6411e8e3f3e1a35cf4b 4 Q:
63aaabe3e541fa7a01223f5f Answer : 1. "
Q: Which of the following is the strongest hydracid known?
945 063c7c1e71c47ef334bdd967e
63c7c1e71c47ef334bdd967e- 1HCNfalse
- 2Hclo4true
- 3HCLfalse
- 4Hno3false
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Answer : 2. "Hclo4"
Q: How many carbon atoms are joined in buckminsterfullerene?
941 062ebdd1b4404a856fa1fc772
62ebdd1b4404a856fa1fc772- 130false
- 290false
- 360true
- 4120false
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Answer : 3. "60"
Q: ______fibre is used in making bullet proof vests.
902 06389b606c878936066e6e499
6389b606c878936066e6e499- 1Nylon-66false
- 2Terylenefalse
- 3Kevlartrue
- 4Lexanfalse
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Answer : 3. "Kevlar"
Q: In 1931, who recognised that an aromatic compound must have an odd number of pairs of electrons, which can mathematically be written as 4n+2 (n = 0,1,2,3 etc.)?
851 0647de965e72c4684a1dcb8b3
647de965e72c4684a1dcb8b3- 1Jacob Berzeliusfalse
- 2Erich Huckeltrue
- 3Antoine Lavoisierfalse
- 4Auguste Laurentfalse
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Answer : 2. "Erich Huckel"
Q: Find the temperature at which the below reaction will be in equilibrium if the enthalpy and entropy change for the reaction is 30 Kj mol-1 and 105 J K-1 mol-1 respectively
Br2(l) + Cl2(g) → 2BrCl(g)
834 063c922a87efeed32fc213a76
63c922a87efeed32fc213a76Br2(l) + Cl2(g) → 2BrCl(g)
- 1273 Kfalse
- 2300 Kfalse
- 3450 Kfalse
- 4285.7 Ktrue
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Answer : 4. "285.7 K"
Q: What is the more common name for solid carbon dioxide?
765 062bea9681d322d793f52a911
62bea9681d322d793f52a911- 1Quick Silverfalse
- 2Epsomfalse
- 3Potashfalse
- 4Dry Icetrue
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Answer : 4. "Dry Ice"
Q: A strong acid has a ______________
761 063c7b6411e8e3f3e1a35cf4b
63c7b6411e8e3f3e1a35cf4b- 1Weak conjugate acidfalse
- 2Weak conjugate basetrue
- 3Strong conjugate basefalse
- 4Strong conjugate acidfalse
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Answer : 2. "Weak conjugate base"
Q:Read the following questions carefully and answer them.
The isotope of Uranium used in atomic reactors is
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63aaabe3e541fa7a01223f5f- 1true
- 2false
- 3false
- 4false
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