1. The mass number of a nucleus is ________________________________.
[A]The sum of the number of protons and neutrons present in the nucleus
[B]Always less than its atomic number
[C]A fraction
[D]Always more than its atomic number
2. The material that can be permanently deformed by heat and pressure is called _________________.
[A]Polymer
[B]Thermostat
[C]Thermoplasticxdddddddddddddd[D]Chemical compound
3. What is the maximum number of covalent bonds formed by nitrogen?
[A]4
[B]6
[C]3
[D]2
4. Which metal is usually extracted from sea water?
[A]Potassium
[B]Magnesium
[C]Sodium
[D]Calcium
5. What is the method of concentrating the ore which makes use of the difference in density between ore and impurities called?
[A]Liquation
[B]Leaching
[C]Levigation
[D]Magnetic Separation
Subscribe to:
Post Comments (Atom)
Most Played Quizzes Last Week
-
1. What was the old name of Varanasi(Banaras)? [A]Patliputra [B]Magadh [C]Indraprastha [D]Kashi 2. On which river bank Varanasi is situated...
-
1. What percentage of the Earth's surface is covered by water? 50% 60% 70% 75% 2. Which term refers to a large body of land? Island...
-
1. When was Sri Aurobindo born? [A]15th August 1872 [B]12th May 1872 [C]1st April 1872 [D]16th July 1872 2. Who was Sri Aurobindo... -
1. Which of the following is considered to be poor e-mail etiquette? [A]Have a proper sign off: Regards, Sincerely, etc. [B]Responding to me...
-
1. Ratan Tata was the Chairman of which of the following conglomerates? Reliance Industries Aditya Birla Group Infosys Tata Group 2. ... -
1. Which city is called the Pink city? Lucknow Hyderabad Jaipur Kanpur 2. Which city is called the city of Lakes? Delhi Bengaluru Mumbai Uda...
-
1. When was Baba Banda Singh Bahadur born? 1670 1680 1690 1700 2. What was the original name of Baba Banda Singh Bahadur? Guru Gobind ... -
1. What is Bihu? A folk song of Assam A dance form of Assam A type of traditional food A popular festival of Assam 2. How many Bihus are...
-
1. If you want to borrow a book, where will you go? Bookstore Library Museum Stationary 2. If you want to have a little fun in the water, th... -
1. A _____ estimate prepared from layouts, sketches and flowsheets, should be accurate within (-10, +25%). [A]Parametric [B]Definitive. [C]B...
No comments:
Post a Comment