subject
Chemistry, 09.12.2020 08:30 lumikuz123

15. How can a pure sample of barium sulphate be obtained from barium carbonate? A. Dissolve barium carbonate in dilute hydrochloric acid, followed by dilute
sulphuric acid, then filter and crystallise.

B. Dissolve barium carbonate in dilute hydrochloric acid, followed by dilute
sulphuric acid, then filter and rinse.

C. Dissolve barium carbonate in water, followed by dilute sulphuric acid, then filter
and crystallise.

D. Dissolve barium carbonate in water, followed by dilute sulphuric acid, then filter
and rinse.

ansver
Answers: 3

Another question on Chemistry

question
Chemistry, 22.06.2019 14:50
Complete the following statements to describe solids, liquids, and gases. select the correct answer from each drop-down menu. a solid a definite volume and a definite shape. a liquid a definite volume and a definite shape. a gas a definite volume and a definite shape
Answers: 1
question
Chemistry, 23.06.2019 00:30
Quickly what are the following of organisms that existed over a wide area but only for a limited time period called a.soft fossils b.mold fossils c.index fossils d.trace fossils
Answers: 1
question
Chemistry, 23.06.2019 02:00
When an experimenter draws a conclusion that he assumes will apply to all situations set up similarly to his test situation, even though he cannot possibly have examined all possible test scenarios, the experimenter is using deductive reasoning inductive reasoning abductive reasoning subjective reasoning
Answers: 1
question
Chemistry, 23.06.2019 12:30
Question 1 (true/false worth 4 points) (03.06 lc) an induced dipole occurs when a molecule's moving electrons are briefly more concentrated in one place than another, causing the molecule to become temporarily polarized. true false
Answers: 2
You know the right answer?
15. How can a pure sample of barium sulphate be obtained from barium carbonate? A. Dissolve barium...
Questions
question
History, 17.12.2020 17:50
question
Computers and Technology, 17.12.2020 17:50
question
Mathematics, 17.12.2020 17:50
question
Mathematics, 17.12.2020 17:50
Questions on the website: 13722362