A. Kr B. Ar C. Rn D. Xe
Vyanu Latest Questions
A. Kr B. Ar C. Ne D. He
A. Rayleight B. Ramsay C. Lockerey D. None of these
A. He B. Ar C. Ne D. Xe
A. High chemical activity B. Low chemical activity C. Much paramagnetic properties D. Less diamagnetic properties
A. He B. H C. CO D. O2
A. Bacteria are killed B. Dirt is removed C. Water is cleaned D. Suspension is removed