Paper clips are considered a heterogeneous mixture, as they are made up of different materials such as steel, iron, and sometimes zinc or nickel. These materials are physically mixed together and can be easily separated.
Arsenic, cadmium, lead, and mercury are heavy metals that are considered toxic pollutants. They can accumulate in the environment and cause harm to human health and ecosystems when released into the air, water, or soil.
Blue litmus turned into red by acids.So you have to blue litmus.
Filter paper with high porosity and proper particle retention is used for impregnating antibiotics. These papers typically have low ash content and are chemically inert to ensure the antibiotics do not react with the paper during impregnation. Additionally, the filter paper should be strong enough to hold the antibiotics without tearing or disintegrating.
Litmus paper is a threshold-specific acid-base test. ___________________________________________________________________ it is a test used to find the pH level of certain materials. it will turn blue if the object is basic and red if it is acidic.
Thermal paper used in receipt printers may contain small amounts of mercury. This is because mercury is sometimes used in the manufacturing process to enhance the paper's properties for thermal printing. Proper disposal of used thermal paper is important to prevent mercury contamination of the environment.
cotton fiber
Paper Money and coin money is used in Pakistan..... and rupee is currency of Pakistan..
mix econmy
No, only the federal government has the authority to issue currency in the United States. Each state is not allowed to print its own kind of paper money.
Due to the insufficient amount of gold coin paper money was used instead. In the Confederacy also Postage stamps were used as paper money.
The kind of money that India uses is an Indian rupee. It originally used to be a silver coin but was later changed to paper.
No not very state:)
No, all of the United States' states use federally-minted coins and federally-printed paper money.
Strangler Fig Tree
paper money is made out of 25% linen and 75% cotton
Paper money was most popular around the 1650s, and it was made out of flattened cotton covered in wax, printed in ink. If you are talking about WAY back, Indians had stretched out animal hide, and wrote with their blood on the hide as paper money. Gross, but true.....