6.
A crystal of the purple compound potassium manganate (VII) is placed at the bottom
of a be...
Chemistry, 14.02.2021 17:20 Laners0219
6.
A crystal of the purple compound potassium manganate (VII) is placed at the bottom
of a beaker of water and the beaker left until there
is no further change. What will be
observed?
A a uniformly purple solution.
B
a purple layer below a colourless layer.
С a colourless layer below a purple layer.
D a deep purple layer below a pale purple layer.
Sec 3/KPT and SMS/2021
Page 2 of 3
Answers: 2
Chemistry, 22.06.2019 06:10
56.16 gregor mendel was the first scientist to use statistics to analyze scientific data. before mendel's experiments, scientists believed that organisms acquired traits from their environment and passed them on to their offspring. after mendel's discoveries were accepted, scientists realized that traits passed to offspring were the result of genes being passed from parents to offspring. this is an example of pls
Answers: 1
Chemistry, 22.06.2019 07:30
The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.
Answers: 3
Chemistry, 22.06.2019 19:30
Astring vibrates with a frequency of 10 hz. why can't a person hear the sound waves produced by the vibrating string, no matter how large the amplitude of the waves? out! this is homework and due tomorrow! you so much!
Answers: 2
Biology, 19.10.2019 22:30
History, 19.10.2019 22:30
Arts, 19.10.2019 22:30
History, 19.10.2019 22:30
Mathematics, 19.10.2019 22:30
Mathematics, 19.10.2019 22:30
Biology, 19.10.2019 22:30
Mathematics, 19.10.2019 22:30