XI Chemistry Mcqs
Atomic Structure – Chapter # 03 – Test 01
- Question 1 of 101. Passage of electricity through solutions by Faraday indicates the existence of:
Right Answer! Good
Wrong Answer Correct Answer is : Electron
- Question 2 of 102. Rutherford's experiment of scattering of α-particles showed that:
Right Answer! Good
Wrong Answer Correct Answer is : The positive charge is concentrated in the nucleus.
- Question 3 of 103. Neutrons were discovered by:
Right Answer! Good
Wrong Answer Correct Answer is : James Chadwick
- Question 4 of 104. The smallest fundamental particle of an atom with unit negative charge is called
Right Answer! Good
Wrong Answer Correct Answer is : Electron
- Question 5 of 105. A fundamental particle bearing a unit negative charge of 1.6 x 10-19 coulombs is called:
Right Answer! Good
Wrong Answer Correct Answer is : Electron
- Question 6 of 106. Crookes tube or Discharge tube experiments where performed at low pressure to discover the presence of:
Right Answer! Good
Wrong Answer Correct Answer is : Both electron and proton in an atom
- Question 7 of 107. Radioactivity confim1ed the presence of:
Right Answer! Good
Wrong Answer Correct Answer is : Proton
- Question 8 of 108. The nucleus of an atom contains:
Right Answer! Good
Wrong Answer Correct Answer is : Neutrons and protons
- Question 9 of 109. The shape of p orbital is:
Right Answer! Good
Wrong Answer Correct Answer is : Trigonal
- Question 10 of 1010. The massage electric current through gases was performed by:
Right Answer! Good
Wrong Answer Correct Answer is : All scientists