Chemistry problems
- 1. ........... is not a sub atomic particle of an atom.
Options- A. Neutron
- B. Electron
- C. Xenon
- D. Proton Also asked in: AIEEE, Bank Exams, CAT
Correct Answer: Xenon
- 2. How many elements are present in the group of the 18th Modem Periodic Table?
Options- A. 5
- B. 2
- C. 6
- D. 7 Also asked in: AIEEE, Bank Exams, CAT
Correct Answer: 7
- 3. Which among the following is an example of solid sol?
Options- A. Milk of magnesia
- B. Foam
- C. Coloured gemstones
- D. Rubber Also asked in: AIEEE, Bank Exams, CAT
Correct Answer: Coloured gemstones
- 4. Which metal is responsible for Itai-Itai disease?
Options- A. Cadmium
- B. Nickel
- C. Chromium
- D. Mercury Also asked in: AIEEE, Bank Exams, CAT
Correct Answer: Cadmium
- 5. Acid rain is caused due to pollution of atmosphere by
Options- A. oxides of nitrogen and sulphur
- B. oxides of nitrogen and phosphorous
- C. oxides of carbon and nitrogen
- D. oxides of nitrogen and methane Also asked in: Bank Exams
Correct Answer: oxides of carbon and nitrogen
- 6. The most extensive use of molasses after fermentation is for producing
Options- A. Methanol
- B. Sugar
- C. Ethanol
- D. Sugarcane Also asked in: Bank Exams
Correct Answer: Ethanol
- 7. Zeolite is
Options- A. hydrated ferric oxide
- B. hydrated sodium aluminium silicate
- C. sodium hexameta phosphate
- D. sodium tetra borate Also asked in: Bank Exams
Correct Answer: hydrated sodium aluminium silicate
- 8. Which one of the following is an insulator?
Options- A. copper
- B. wood
- C. mercury
- D. aluminium Also asked in: Bank Exams
Correct Answer: wood
- 9. Which of the following compounds from nitrites with nitrous acid?
Options- A. Primary amines
- B. Secondary amines
- C. Tertiary amines
- D. All of these Also asked in: Bank Exams
Correct Answer: All of these
Explanation:
The acid and the nitrite form nitrous acid which then reacts with the amine.
- 10. Which one of the followingis notan allotrope of carbon?
Options- A. Coal
- B. Diamond
- C. Graphite
- D. Graphene Also asked in: Bank Exams
Correct Answer: Coal
Explanation:
Allotropy is the property of some chemical elements to exist in two or more different forms, or allotropes, when found in nature. There are several allotropes of carbon like diamond, graphite, graphene, fullerene, etc.Coal is not an allotrope of carbon because it is not 100% carbon. It contains lot of silica, sulphur and other compounds of carbon apart from carbon.
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