A solution with a pH value which is less than 7 is acidic. The acids which react with metals usually have quite a low pH, of either 3 or less. Some metals react with acids and when they do the ...

(i) They are lustrous, i.e., they have a shiny surface. (ii) All metals are solids except mercury which is liquid at room temperature. (iii) Metals are ductile which means they can be drawn into wires ...

Get the NCERT Solutions for Class 8 Science Chapter 4 - Materials: Metals and Non-Metals from here to prepare for your tests and exams to be held in 2021-2022. You can find here the appropriate ...

Many of the C–H bonds in hydrocarbons look alike to chemical reagents. As a result, synthetic chemists often have to install activating or directing groups to get reactions to occur at C–H bonds of ...

Researchers have helped minimize the cost of an important class of chemical transformations: converting nitriles into primary amines. Their experimental protocol uses a cheap nickel catalyst instead ...

New research led by Sandia National Laboratories found that citric acid, a harmless food-grade solvent, can be used to extract highly sought-after rare-earth metals from coal ash. In a media brief, ...

Many of the C–H bonds in hydrocarbons look similar to chemical reagents. As a result, synthetic chemists often have to install activating or directing groups to get reactions to occur at C–H bonds of ...