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- Question
Soft drinks contain:
Options- A. Oxalic acid
- B. Tartaric acid
- C. Carbonic acid
- D. Citric acid
- Correct Answer
- Carbonic acid
- 1. Which of the following gases is not generated in a biogas plant?
Options- A. H2S
- B. CO2
- C. CH4
- D. CO Discuss
- 2. An ? particle is _____.
Options- A. A hydrogen molecule
- B. A helium nucleus
- C. An atom of hydrogen
- D. A proton Discuss
- 3. A proton is identical to _____.
Options- A. the nucleus of helium
- B. the nucleus of a hydrogen atom
- C. an alpha-particle
- D. a beta particle Discuss
- 4. Isotones have always ______
Options- A. Same number of protons
- B. Same atomic number
- C. Same number of neutron
- D. Same number of proton and same numbe of neutron Discuss
- 5. Choose the pure substance from the list below.
Options- A. Sugar
- B. Lemonade
- C. Air
- D. Sea water Discuss
- 6. ....... 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 Discuss
- 7. Which element is generally No Radioactive?
Options- A. Thorium
- B. Polonium
- C. Germanium
- D. Plutonium Discuss
- 8. 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
- 9. Which is the heaviest metal among the following?
Options- A. Gold
- B. Silver
- C. Iron
- D. Copper Discuss
- 10. 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
Chemistry problems
Search Results
Correct Answer: CO
Correct Answer: A helium nucleus
Correct Answer: a beta particle
Correct Answer: Same number of neutron
Correct Answer: Sugar
Correct Answer: Electro negativity
Correct Answer: Germanium
Correct Answer: mass
Correct Answer: Gold
Correct Answer: Ammonia into nitrite
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