Chemistry Questions Practice Question and Answer
8 4 Q:
62f33ba13342ab1184379169 4 Q:
63c7c1e71c47ef334bdd967e 4 Q:
62ebdd1b4404a856fa1fc772 4 Q:
63c922a87efeed32fc213a76 4 Q:
62e7ec656f92bf0da7c49f2d 4 Q:
62de6d24313eb40eb89fc5a4 4 Q:
62f32f6209a97851b630ae7b 4 Q:
6389c46c9ebad6607b7f78db
Q: Alpha particles are ___________.
683 062f33ba13342ab1184379169
62f33ba13342ab1184379169- 1twice the mass of beta particlesfalse
- 2negatively chargedfalse
- 3just like helium nucleitrue
- 4lower in ionizing power as compared to gamma raysfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "just like helium nuclei"
Q: Which of the following is the strongest hydracid known?
678 063c7c1e71c47ef334bdd967e
63c7c1e71c47ef334bdd967e- 1HCNfalse
- 2Hclo4true
- 3HCLfalse
- 4Hno3false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "Hclo4"
Q: How many carbon atoms are joined in buckminsterfullerene?
647 062ebdd1b4404a856fa1fc772
62ebdd1b4404a856fa1fc772- 130false
- 290false
- 360true
- 4120false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "60"
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)
606 063c922a87efeed32fc213a76
63c922a87efeed32fc213a76Br2(l) + Cl2(g) → 2BrCl(g)
- 1273 Kfalse
- 2300 Kfalse
- 3450 Kfalse
- 4285.7 Ktrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "285.7 K"
Q: __________________ is a drug or substance that makes you feel relaxed and makes your body work and react more slowly.
603 062e7ec656f92bf0da7c49f2d
62e7ec656f92bf0da7c49f2d- 1Antidotefalse
- 2Analgesicfalse
- 3Antihistaminefalse
- 4Depressanttrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "Depressant"
Q: NaHCO3 is chemical formula for ___________.
592 062de6d24313eb40eb89fc5a4
62de6d24313eb40eb89fc5a4- 1Boraxfalse
- 2Vinegarfalse
- 3Limefalse
- 4Baking sodatrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "Baking soda"
Q: Fe has 26 protons in its nucleus. What are the number of electrons in Fe2+ (II) ion?
590 062f32f6209a97851b630ae7b
62f32f6209a97851b630ae7b- 124true
- 226false
- 328false
- 413false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "24"
Q: Which of the following is used as raw material for the manufacture of rayon?
584 06389c46c9ebad6607b7f78db
6389c46c9ebad6607b7f78db- 1Coalfalse
- 2Petroleumfalse
- 3Cellulosetrue
- 4Plasticfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "Cellulose"
en566popular