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- Question
Atoms of the same element can differ in
Options- A. Atomic number
- B. Atomic mass
- C. electrons
- D. None of the above
- Correct Answer
- Atomic mass
ExplanationAtoms of the same element can have same atomic number and number of electrons since, the atomic number is the number of protons and the number of protons and eectrons are the same in an element.
Hence, the atoms of the same element may differ in their atomic mass since it depends on the number of neutrons it holds and such atoms are called isotopes.
- 1. What 'game' was first produced by the Southern Novelty Company in Baltimore, Maryland in 1892?
Options- A. Frisbee
- B. Monopoly
- C. Ouija board
- D. Ping Pong Discuss
- 2. The moon orbits the earth at a mean distance approximately
Options- A. 0.384 million km
- B. 149.6 million km
- C. 579 million km
- D. 227.9 million km Discuss
- 3. The monomer of polythene is
Options- A. vinyl chloride
- B. ethylene
- C. ethyl alcohol
- D. None of the above Discuss
- 4. The most densely populated country of Africa is
Options- A. Mauritius
- B. Rwanda
- C. Burundi
- D. Sierra Leone Discuss
- 5. RAM stands for...
Options- A. Random Access Memory
- B. Really Annoying Machine
- C. Read A Manual
- D. Real Absolute Memory Discuss
- 6. The International Court of Justice is located at
Options- A. Geneva
- B. Hague
- C. Amsterdam
- D. Vienna Discuss
- 7. Galvanised iron sheets have a coating of
Options- A. lead
- B. chromium
- C. zinc
- D. tin Discuss
- 8. Mach number is used in connection with the speed of
Options- A. sound
- B. aircraft
- C. spacecraft
- D. ships Discuss
- 9. The river Jordan drains into the
Options- A. Dead Sea
- B. Adriatic Garden
- C. Gulf of Suez
- D. Resaca Garden Discuss
- 10. How many banks were nationalized in 1969?
Options- A. 16
- B. 14
- C. 15
- D. 20 Discuss
More questions
Correct Answer: Ouija board
Explanation:
The board was invented by Isaac and William Fuld. The word 'Ouija' comes from the French and German words for 'yes', 'oui' and 'ja'.
Correct Answer: 0.384 million km
Correct Answer: ethylene
Correct Answer: Mauritius
Correct Answer: Random Access Memory
Correct Answer: Hague
Correct Answer: zinc
Correct Answer: aircraft
Correct Answer: Dead Sea
Correct Answer: 14
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