subject
Biology, 20.05.2021 01:00 shelbybibb99

Un clavo que se hecha en una solucion de sulfato de cobre ll sufre un cambio quimico el cual lo hace oxidarse. se rotulan 2 vasos al de la letra A se le echa sulfato de cobre ll mezclado con agua al B. se le echa solamente agua y en ambos vasos se coloca un clavo nuevo. que vaso representa el grupo experimental en esta investigacion. 1. vases A. 2. Vado B 3. ni A ni B representan el grupo experimental 4. ambos vasos representan el grupo experimental. ​

ansver
Answers: 3

Another question on Biology

question
Biology, 22.06.2019 01:00
Where do the respiratory and circulatory systems meet? a. in the heart b. in the muscles c. in the lungs d. in the brain
Answers: 2
question
Biology, 22.06.2019 12:30
Identify the structure in organisms that do not have kidneys that is adapted to regulate water balance
Answers: 3
question
Biology, 22.06.2019 13:10
Once an egg cell is fertilized by sperm, the cell then, as the embryo develops, it receives nourishment and eliminates wastes by transferring substances from its blood to its mother's blood. a. becomes a fetus immediately and exits the womb b. begins to divide and implants itself in the wall of the uterus c. remains in the uterus without dividing for several months d. travels back to the ovaries until the fetus is developed
Answers: 2
question
Biology, 22.06.2019 14:00
Vinegar has a ph of 3, and household ammonia has a ph of 11. is the concentration of h+ greatest in the vinegar or ammonia?
Answers: 1
You know the right answer?
Un clavo que se hecha en una solucion de sulfato de cobre ll sufre un cambio quimico el cual lo hace...
Questions
Questions on the website: 13722367