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- Question
Molar mass of HNO3?
Options- A. 63 g/mol
- B. 53 g/mol
- C. 48 g/mol
- D. 52 g/mol
- Correct Answer
- 63 g/mol
ExplanationCalculation of molar mass of HNO3:
Atomic masses of H, N, O are 1, 14, 16 respectively
Now the molar mass of HNO3 is
HNO3 = 1X1 + 1X14 + 3X16
= 1 + 14 + 48
= 63 g/mol or amu.
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Options- A. Sir Alexander Graham Bell
- B. Benjamin Franklin
- C. Thomas Alva Edison
- D. Alfred B. Nobel Discuss
- 2. Large astronomical telescopes always use as objective
Options- A. lens
- B. mirror
- C. combinations of lenses
- D. None of the above Discuss
- 3. Who suggested that most of the mass of the atom is located in the nucleus?
Options- A. Thompson
- B. Bohr
- C. Rutherford
- D. Einstein Discuss
- 4. The most explosive type of volcano is
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- B. a cinder cone
- C. basalt plateau
- D. shield volcanoes Discuss
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Options- A. Aurthe Ashe
- B. Martin Luther King
- C. Toni Morrison
- D. Nelson Mandela Discuss
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- D. Ridhi Desai Discuss
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Options- A. Barley and maize
- B. Jowar and bajra
- C. Rice
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- 8. The 13th Asian Games were held in
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- C. Manila
- D. Singapore Discuss
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- B. B.C. Roy Trophy - Lawn Tennis
- C. Holkar Trophy - Bridge
- D. Ruia Trophy - Kabbadi Discuss
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- B. LAN (Local Area Network)
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More questions
Correct Answer: Alfred B. Nobel
Correct Answer: combinations of lenses
Correct Answer: Rutherford
Correct Answer: the caldera
Correct Answer: Toni Morrison
Correct Answer: Ridhi Desai
Correct Answer: Rice
Correct Answer: Bangok
Correct Answer: Holkar Trophy - Bridge
Explanation:
Nehru Trophy - BOAT RACE
B.C. Roy Trophy - FIFA
Holkar Trophy - Bridge
Ruia Trophy - Bridge
B.C. Roy Trophy - FIFA
Holkar Trophy - Bridge
Ruia Trophy - Bridge
Correct Answer: WAN (Wide Area Network)
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