Question

aim determination of calcium in calcium tablets by ion exchange methods pracy material​

Answer 1

Answer:

Abstract

A simple ion-exchange experiment in which the amount of calcium present in dietary supplement tablets is determined.

Answer 2

Answer:

Meiosis is a process where a single cell divides twice to produce four cells containing half the original amount of genetic information. These cells are our sex cells – sperm in males, eggs in females. During meiosis one cell? divides twice to form four daughter cells.