Chemistry, 23.11.2021 19:20 crosales102
Three test tubes were taken and they were labelled as I , II and III. Ethanoic acid was taken in the test tube I, aqueous solution of sodium carbonate was taken in test tube II, and an aqueous solution of sodium hydrogen carbonate was taken in test tube III. On dipping a pH paper in each of the solution the colour of the pH paper in the test tubes I, II and III respectively becomes *
orange, green, green
green, blue, blue
blue, orange, orange
orange, blue, blue
Answers: 2
Chemistry, 22.06.2019 12:00
What is a possible quantum number set for an electron in the 3s orbital of a magnesium atom
Answers: 1
Chemistry, 22.06.2019 16:40
Let the ed50 of a recreational drug be defined as the amount required for 50% of a test group to feel high or get a buzz. if the ed50 value of ethanol is 470 mg/kg body mass, what dose would a 70 kg party goer need to quickly consume in order to have a 50% chance of getting a buzz? 235 mg 470 mg 32,900 mg 35,000,000 mg
Answers: 3
Three test tubes were taken and they were labelled as I , II and III. Ethanoic acid was taken in the...
Mathematics, 20.09.2019 18:30
Physics, 20.09.2019 18:30
English, 20.09.2019 18:30
Biology, 20.09.2019 18:30
Mathematics, 20.09.2019 18:30
History, 20.09.2019 18:30
Mathematics, 20.09.2019 18:30
Biology, 20.09.2019 18:30
Mathematics, 20.09.2019 18:30