According to the Britannica online, chromatography is a technique for separating the components, or solutes of a mixture on the basis of the relative amounts of each component distributed between a moving fluid stream and a...
Questions: 10 | Attempts: 3020 | Last updated: Mar 21, 2022
Carbon and its compounds quiz: trivia. Carbon is an important element in the world and it joins together with other elements to form compounds. Most of the carbon compounds are not good conductors of electricity and diamond is...
Questions: 15 | Attempts: 5952 | Last updated: Mar 22, 2022
Which of the following statements is true with regard to hydrogen?
i. Hydrogen reacts to attain a duplet of electrons in its K shell.
ii. Hydrogen always forms a single covalent bond.
iii. Hydrogen can form a single and a double covalent bond.