Chemistry problems
- 1. Which of the following gases is not generated in a biogas plant?
Options- A. H2S
- B. CO2
- C. CH4
- D. CO Also asked in: Bank Exams
Correct Answer: CO
- 2. Soft drinks contain:
Options- A. Oxalic acid
- B. Tartaric acid
- C. Carbonic acid
- D. Citric acid Also asked in: Bank Exams
Correct Answer: Carbonic acid
- 3. ....... is the property of attracting electrons by the halogen atoms in a molecule
Options- A. Electron affinity
- B. Electro positivity
- C. Electro chemistry
- D. Electro negativity Also asked in: Bank Exams
Correct Answer: Electro negativity
- 4. Which element is generally No Radioactive?
Options- A. Thorium
- B. Polonium
- C. Germanium
- D. Plutonium Discuss
Correct Answer: Germanium
- 5. In a compound the elements are always present in definite proportions by ______
Options- A. mass
- B. volume
- C. size
- D. No option is correct Discuss
Correct Answer: mass
- 6. Which is the heaviest metal among the following?
Options- A. Gold
- B. Silver
- C. Iron
- D. Copper Discuss
Correct Answer: Gold
- 7. Nitrification is the biological process of converting
Options- A. N2 into nitrate
- B. N2 into nitrite
- C. Ammonia into nitrite
- D. Ammonia into N2 Discuss
Correct Answer: Ammonia into nitrite
- 8. Vinegar is __________ .
Options- A. diluted acetic acid
- B. glacial acetic acid
- C. glacial formic acid
- D. diluted formic acid Discuss
Correct Answer: diluted acetic acid
- 9. Which of the following statement(s) is/are CORRECT?
Options- A. Oxides of non-metals are basic
- B. Oxides of non-metals are acidic
- C. Oxides of metals are acidic
- D. All options are correct Also asked in: Bank Exams
Correct Answer: Oxides of non-metals are acidic
- 10. What is the natural source of Oxalic acid?
Options- A. Tomato
- B. Sour milk
- C. Ant sting
- D. Tamarind Also asked in: Bank Exams, AIEEE
Correct Answer: Tomato
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