9. How many disintegrations occur in the first second from 1.00 mol of a radioactive nuclide with each of the following half-lives:

(a) 12,000 years

(b) 12 hours

(c) 12 minutes

(d) 12 seconds​

answer: e.   sour taste

explanation: acids are those substances which dissociates in water to give ions. as they dissociate to give ions, they act as electrolytes and thus are electrically conductive. acids are sour in taste. example: hcl

bases are those substances which dissociates in water to give ions or accepts ions. as they dissociate to give ions, they act as electrolytes and thus are electrically conductive. bases are bitter in taste. bases are slippery in nature.

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