Question: Ruby is an oxide of__________? A. silver B. gold C. platinum D. aluminium oxide
A. Dobson B. Dalton C. Cuolomb D. none
A. Different atomic number but same atomic weight B. Different atomic number and different atomic weight C. Same atomic number…
A. 6.9 B. 7.6 C. 7.1 D. none
A. Atomic number B. Atomic weight C. Number of orbitals D. none
A. Selective absorption of light B. Selective re ection of light C. Sinterference of light D. Natural colour pattern of…
A. Cardiac muscles B. Skeletal muscles C. Smooth muscles D. none
A. Heart B. Brain C. Liver D. Sex organ