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- Question
Which among the following is false about alpha particles?
Options- A. They have high ionizing power
- B. They have high penetrating power
- C. They have high kinetic energy
- D. They are positively charged helium nuclei
- Correct Answer
- They have high penetrating power
- 1. Chromite is an ore/mineral of
Options- A. Zinc
- B. Uranium
- C. Chromium
- D. Titanium Discuss
- 2. Aromatic hydrocarbons contain at least _____ benzene like ring in their molecules.
Options- A. 4
- B. 3
- C. 2
- D. 1 Discuss
- 3. What is the full form of PVC?
Options- A. Phosphonil vinyl Carbonate
- B. Polyvinyl S Carbonate
- C. Polyvinyl Carbonate
- D. Polyvinyl Chloride Discuss
- 4. Which of the following elements has the lowest melting point?
Options- A. Oxygen
- B. Gold
- C. Silver
- D. Manganese Discuss
- 5. Alpha particles are ___________.
Options- A. twice the mass of beta particles
- B. negatively charged
- C. just like helium nuclei
- D. lower in ionizing power as compared to gamma rays Discuss
- 6. Which among the following is not a characteristic of oxidation reaction?
Options- A. It involves addition of hydrogen
- B. It involves addition of oxygen
- C. It involves loss of electrons
- D. 4) It involves addition of electronegative element Discuss
- 7. Turquoise is an ore/mineral of
Options- A. Copper
- B. Manganese
- C. Mercury
- D. Tin Discuss
- 8. At low temperature, Lead behaves as a :
Options- A. Semi conductor
- B. Super conductor
- C. Insulator
- D. Conductor Discuss
- 9. Which of the following is a natural polymer?
Options- A. Bakelite
- B. Nylon
- C. Polythene
- D. Starch Discuss
- 10. Which one of the following nonmetals shows allotropy in the liquid state?
Options- A. Carbon
- B. Sulphur
- C. Phosphorous
- D. Bromine Discuss
Chemistry problems
Search Results
Correct Answer: Chromium
Correct Answer: 1
Correct Answer: Polyvinyl Chloride
Correct Answer: Oxygen
Correct Answer: just like helium nuclei
Correct Answer: It involves addition of hydrogen
Correct Answer: Copper
Correct Answer: Super conductor
Correct Answer: Starch
Correct Answer: Sulphur
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