aliensbrain
  • Home
  • Study
  • Quizzes
  • 🎤AI Practicefree
  • Notebooks
  • Community
  • Sign in
  • Study of Compounds
  • Which of the following metal becomes passive in contact w...
Multiple choice

Which of the following metal becomes passive in contact with conc. HNO3?

  1. Gold

  2. Iron

  3. Zinc

  4. Silver

  5. Lead

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Iron becomes passive in contact with high conc.HNO3   (80%) because an oxide coating of iron is formed on the surface.

Keep practicing — related questions

  • Which of the following turns passive by adding HNO3?
  • Which of the following articles undergo(es) corrosion?
  • Which of the following is the main institution for the regional planning in India? 1. Planning Commission o...
  • In which of the following airspaces, a constant visual contact with ground has to be maintained?
  • Match the following columns A. Nagarjunasagar 1. Kerala B. Idukki 2. West Bengal C. Damodar Valley 3. Andhr...
  • Match the following columns A. Second Battle of Panipat 1. Decline of Vijay Nagar empire ] B. Second Battle...
  • Match the following columns A. Nagaland 1. Kohima B. Meghalaya 2. Shilong C. Arunachal Pradesh 3. Itanagar ...
  • Match the following columns A. Bihu 1. Assam B. Onam 2. Kerala C. Pongal 3. West Bengal D. Vaishakhi 4, Pun...
Play the full quiz 🎤 Practise this topic out loud

Practice this topic

  • Chemistry of Metals and Alloys (1762 questions)
Advertisement
© Aliensbrain | all rights reserved
  • About
  • Contact
  • Terms and Condition
  • Privacy Policy