bohr's model explains (A) solar spectrum (B) spectrum of hydrogen molecule (C)spectrum of an ion or atom with single electron (D)only spectrum of hydrogen of hydrogen atom
harshitg551
Asked:
December 2022
you are provided with two samples of water marked a and b .sample a is soft water and sample b is hard water what would you observe when both the samples are tested.with soap and detergent . with the reason to support your answer