Solid State Class 12 Chemistry Chapter 1 MCQs For CBSE Exams
Solid State Class 12 Chapter 1 MCQs For Your CBSE Board Exams, These Question Based on Your Exam…
Solid State Class 12 Chapter 1 MCQs For Your CBSE Board Exams, These Question Based on Your Exam…
Who discovered neutron (a) James Chadwick (b) William Crooks (c) J.J. Thomson (d) Rutherford Ans…
The electron is (a) α-ray particle (b) β-ray particle (c) Hydrogen ion (d) Positron Answer: (b) …
Positive ions are formed from the neutral atom by the (a) Increase of nuclear charge (b) Gain of…
The size of nucleus is of the order of (a) 10^(-12)m (b) 10^(-8) m (c) 10^(-15)m (d) 10^(-10) m …
The nucleus of the atom consists of (a) Proton and neutron (b) Proton and electron (c) Neutron a…
A neutral atom (Atomic no. >1 ) consists of (a) Only protons (b) Neutrons + protons (c) Neutr…
The half-life of a radioactive isotope ' X ' is 20 years It decays to another element &#…